diff --git a/install.sh b/install.sh
index 1f15e3b..b02a2a7 100755
--- a/install.sh
+++ b/install.sh
@@ -3,6 +3,10 @@
 # get user id
 uid=$(id -u)
 
+# get architecture
+arc=$(uname -m)
+
+
 # create directories
 mkdir -p data/conf
 mkdir -p data/userdata
@@ -11,3 +15,12 @@
 # replace uid and gid in config file
 sed -i "/^OPENHAB_USER/c\\\OPENHAB_USER_ID=${uid}" openhab.conf
 
+# replace architecture
+if [[ $arc == "x86_64" ]]; then
+	sed -i "/^OPENHAB_ARCH=/c\\\OPENHAB_ARCH=amd64" openhab.conf
+elif [[ $arc == *"armv"* ]]; then
+	sed -i "/^OPENHAB_ARCH=/c\\\OPENHAB_ARCH=armhf" openhab.conf
+else
+	echo "unsupportet architecture"
+	exit 1
+fi