diff --git a/configure.ac b/configure.ac
index 41e5b6c..68d8717 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,6 +5,7 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_PROG_CC
 AC_PROG_CXX
 
+AM_PROG_AR
 LT_INIT
 
 AC_CONFIG_HEADERS([config.h])