diff --git a/src/postorius/tests/fixtures/vcr_cassettes/ListMembersOptionsTest.test_nonexistent_member_returns_404.yaml b/src/postorius/tests/fixtures/vcr_cassettes/ListMembersOptionsTest.test_nonexistent_member_returns_404.yaml
new file mode 100644
index 0000000..8615ccd
--- /dev/null
+++ b/src/postorius/tests/fixtures/vcr_cassettes/ListMembersOptionsTest.test_nonexistent_member_returns_404.yaml
@@ -0,0 +1,280 @@
+interactions:
+- request:
+    body: !!python/unicode mail_host=example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode content-type: [!!python/unicode application/x-www-form-urlencoded]
+    method: !!python/unicode POST
+    uri: http://localhost:9001/3.0/domains
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      content-type: [application/json; charset=UTF-8]
+      location: ['http://localhost:9001/3.0/domains/example.com']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode GET
+    uri: http://localhost:9001/3.0/domains/example.com
+  response:
+    body: {string: !!python/unicode '{"description": null, "http_etag": "\"d150abd34fabbcef42a2c654bfac81aa04ea4d6f\"",
+        "mail_host": "example.com", "self_link": "http://localhost:9001/3.0/domains/example.com"}'}
+    headers:
+      content-length: ['172']
+      content-type: [application/json; charset=UTF-8]
+    status: {code: 200, message: OK}
+- request:
+    body: !!python/unicode fqdn_listname=foo%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode content-type: [!!python/unicode application/x-www-form-urlencoded]
+    method: !!python/unicode POST
+    uri: http://localhost:9001/3.0/lists
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      content-type: [application/json; charset=UTF-8]
+      location: ['http://localhost:9001/3.0/lists/foo.example.com']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode GET
+    uri: http://localhost:9001/3.0/lists/foo.example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=UTF-8]
+    status: {code: 200, message: OK}
+- request:
+    body: !!python/unicode list_id=foo.example.com&role=owner&subscriber=owner%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode content-type: [!!python/unicode application/x-www-form-urlencoded]
+    method: !!python/unicode POST
+    uri: http://localhost:9001/3.0/members
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      content-type: [application/json; charset=UTF-8]
+      location: ['http://localhost:9001/3.0/members/5297']
+    status: {code: 201, message: Created}
+- request:
+    body: !!python/unicode list_id=foo.example.com&role=moderator&subscriber=moderator%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode content-type: [!!python/unicode application/x-www-form-urlencoded]
+    method: !!python/unicode POST
+    uri: http://localhost:9001/3.0/members
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      content-type: [application/json; charset=UTF-8]
+      location: ['http://localhost:9001/3.0/members/5298']
+    status: {code: 201, message: Created}
+- request:
+    body: !!python/unicode email=test%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode content-type: [!!python/unicode application/x-www-form-urlencoded]
+    method: !!python/unicode POST
+    uri: http://localhost:9001/3.0/users
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      content-type: [application/json; charset=UTF-8]
+      location: ['http://localhost:9001/3.0/users/3378']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode GET
+    uri: http://localhost:9001/3.0/users/3378
+  response:
+    body: {string: !!python/unicode '{"created_on": "2005-08-01T07:49:23", "http_etag":
+        "\"80a3fa6684c3a200c2eb564d533d0245cfd79433\"", "is_server_owner": false,
+        "password": "$6$rounds=595162$OQPvrqO8zYHFrMid$ALz6dVgiaGtVw1pq.2tttseKje7Xlh3C0bz.DzsJWpsU7Sfjv/SoQB10SZ9km7V9mKQzpbByFxJ29VuDMJDJR/",
+        "self_link": "http://localhost:9001/3.0/users/3378", "user_id": 3378}'}
+    headers:
+      content-length: ['330']
+      content-type: [application/json; charset=UTF-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode GET
+    uri: http://localhost:9001/3.0/users/3378/addresses
+  response:
+    body: {string: !!python/unicode '{"entries": [{"email": "test@example.com", "http_etag":
+        "\"7fc7f31d0d2208eb924b912bd7fddec5a34bb77f\"", "original_email": "test@example.com",
+        "registered_on": "2005-08-01T07:49:23", "self_link": "http://localhost:9001/3.0/addresses/test@example.com",
+        "user": "http://localhost:9001/3.0/users/3378"}], "http_etag": "\"ed96f967a3455978b62f5d0677825f274ebbdbff\"",
+        "start": 0, "total_size": 1}'}
+    headers:
+      content-length: ['390']
+      content-type: [application/json; charset=UTF-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode POST
+    uri: http://localhost:9001/3.0/addresses/test@example.com/verify
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+    status: {code: 204, message: No Content}
+- request:
+    body: !!python/unicode display_name=None&list_id=foo.example.com&pre_approved=True&pre_confirmed=True&pre_verified=True&subscriber=test%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode content-type: [!!python/unicode application/x-www-form-urlencoded]
+    method: !!python/unicode POST
+    uri: http://localhost:9001/3.0/members
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      content-type: [application/json; charset=UTF-8]
+      location: ['http://localhost:9001/3.0/members/5299']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode GET
+    uri: http://localhost:9001/3.0/lists/foo.example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"98cc998d4a30293ec17da639bce10617912a6e1e\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 1, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=UTF-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode GET
+    uri: http://localhost:9001/3.0/lists/foo.example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"98cc998d4a30293ec17da639bce10617912a6e1e\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 1, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=UTF-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode GET
+    uri: http://localhost:9001/3.0/lists/foo.example.com/member/none@example.com
+  response:
+    body: {string: !!python/unicode '{}'}
+    headers:
+      content-length: ['2']
+      content-type: [application/json; charset=UTF-8]
+      vary: [Accept]
+    status: {code: 404, message: Not Found}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode GET
+    uri: http://localhost:9001/3.0/domains
+  response:
+    body: {string: !!python/unicode '{"entries": [{"description": null, "http_etag":
+        "\"d150abd34fabbcef42a2c654bfac81aa04ea4d6f\"", "mail_host": "example.com",
+        "self_link": "http://localhost:9001/3.0/domains/example.com"}], "http_etag":
+        "\"2ec9679269ad1f741705a62db0162f5585ae5c3c\"", "start": 0, "total_size":
+        1}'}
+    headers:
+      content-length: ['277']
+      content-type: [application/json; charset=UTF-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode DELETE
+    uri: http://localhost:9001/3.0/domains/example.com
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+    status: {code: 204, message: No Content}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode GET
+    uri: http://localhost:9001/3.0/users
+  response:
+    body: {string: !!python/unicode '{"entries": [{"created_on": "2005-08-01T07:49:23",
+        "http_etag": "\"7f7f58c6d00e58ff1ef3c0870649412a41e22392\"", "is_server_owner":
+        false, "self_link": "http://localhost:9001/3.0/users/3376", "user_id": 3376},
+        {"created_on": "2005-08-01T07:49:23", "http_etag": "\"0498836bc12cba6ceb3299d6b097a07b900bff70\"",
+        "is_server_owner": false, "self_link": "http://localhost:9001/3.0/users/3377",
+        "user_id": 3377}, {"created_on": "2005-08-01T07:49:23", "http_etag": "\"80a3fa6684c3a200c2eb564d533d0245cfd79433\"",
+        "is_server_owner": false, "password": "$6$rounds=595162$OQPvrqO8zYHFrMid$ALz6dVgiaGtVw1pq.2tttseKje7Xlh3C0bz.DzsJWpsU7Sfjv/SoQB10SZ9km7V9mKQzpbByFxJ29VuDMJDJR/",
+        "self_link": "http://localhost:9001/3.0/users/3378", "user_id": 3378}], "http_etag":
+        "\"a68a3283df43ff0bd539578b6c933b29fd650e56\"", "start": 0, "total_size":
+        3}'}
+    headers:
+      content-length: ['827']
+      content-type: [application/json; charset=UTF-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode DELETE
+    uri: http://localhost:9001/3.0/users/3376
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+    status: {code: 204, message: No Content}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode DELETE
+    uri: http://localhost:9001/3.0/users/3377
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+    status: {code: 204, message: No Content}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode DELETE
+    uri: http://localhost:9001/3.0/users/3378
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+    status: {code: 204, message: No Content}
+version: 1
diff --git a/src/postorius/tests/mailman_api_tests/test_list_member_options.py b/src/postorius/tests/mailman_api_tests/test_list_member_options.py
index 8e60af6..174b15d 100644
--- a/src/postorius/tests/mailman_api_tests/test_list_member_options.py
+++ b/src/postorius/tests/mailman_api_tests/test_list_member_options.py
@@ -91,6 +91,13 @@
         self.assertIsInstance(response.context['preferences_form'],
                               UserPreferences)
 
+    def test_nonexistent_member_returns_404(self):
+        self.client.login(username='testsu', password='testpass')
+        url = reverse('list_member_options', args=(self.foo_list.list_id,
+                                                   'none@example.com',))
+        response = self.client.get(url)
+        self.assertEquals(response.status_code, 404)
+
     def test_moderation_action(self):
         self.assertIsNone(
             self.foo_list.get_member('test@example.com').moderation_action)