diff --git a/configure.in b/configure.in
index 607e382c..50a71ff6 100644
--- a/configure.in
+++ b/configure.in
@@ -143,6 +143,7 @@ AM_PROG_LIBTOOL
 sed -e 's/^build_old_libs=yes/build_old_libs=no/' libtool > libtool-disable-static
 chmod +x libtool-disable-static
 
+AM_PROG_AS
 AC_PROG_CXX
 AC_PROG_MAKE_SET