diff --git a/configure.ac b/configure.ac
index 21bae907..2fa3584d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,6 +17,7 @@ AC_PROG_CC
 AC_PROG_CXX
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET
+AM_PROG_AR
 LT_INIT
 AM_PROG_AS
 AM_PROG_CC_C_O