diff --git a/configure.ac b/configure.ac
index 9f0762403..b7eea5360 100644
--- a/configure.ac
+++ b/configure.ac
@@ -56,7 +56,7 @@ AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_AUX_DIR([build])
 AC_CONFIG_MACRO_DIR([build/autotools])
 
-AM_INIT_AUTOMAKE([1.9.6 foreign])
+AM_INIT_AUTOMAKE([1.9.6 foreign -Wno-portability])
 
 CLUTTER_MAJOR_VERSION=clutter_major_version
 CLUTTER_MINOR_VERSION=clutter_minor_version