diff --git a/configure.ac b/configure.ac
index bdd2904..11621bd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -30,6 +30,7 @@ AC_SUBST([LIBCPUID_VERSION_INFO])
 
 
 AC_PROG_CC
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 AC_C_CONST
 AM_PROG_LIBTOOL
 AM_CPPFLAGS="$CPPFLAGS"