diff --git a/configure.ac b/configure.ac
index 72b52ec..0b454bb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,6 +2,7 @@
 AC_CANONICAL_SYSTEM
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
+m4_pattern_allow([AM_PROG_AR])
 AM_PROG_AR
 
 AC_PROG_CC