diff --git a/configure.ac b/configure.ac
index 4e31f05..695a845 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,6 +5,7 @@ AC_CONFIG_MACRO_DIR([m4])
 
 AM_INIT_AUTOMAKE([-Wall -Werror subdir-objects])
 AM_SILENT_RULES
+AM_PROG_AR
 LT_INIT
 
 AC_CANONICAL_HOST