diff --git a/configure.ac b/configure.ac
index b2f823e..446df9c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,6 +9,7 @@
 AC_SUBST(VERSION)
 
 # Checks for programs
+AM_PROG_AR
 AC_PROG_CC
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET