diff --git a/configure.ac b/configure.ac
index ced0079c6..790c19d33 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,6 +21,7 @@ LT_INIT([dlopen shared disable-static])
 LT_LANG([C++])
 
 CXXFLAGS="-pipe"
+AM_PROG_AS
 AC_PROG_CXX
 AC_PROG_CXX_C_O
 AC_PROG_LIBTOOL