diff --git a/configure.ac b/configure.ac
index 7802e1bf13..2428822d63 100644
--- a/configure.ac
+++ b/configure.ac
@@ -62,7 +62,7 @@ AC_SUBST(INTROSPECTION_REQUIRED_VERSION)
 # Save this value here, since automake will set cflags later
 cflags_set=${CFLAGS+set}
 
-AM_INIT_AUTOMAKE([1.11 no-define -Wno-portability tar-ustar no-dist-gzip dist-xz])
+AM_INIT_AUTOMAKE([1.11 -Wall no-define -Wno-portability tar-ustar no-dist-gzip dist-xz])
 AM_MAINTAINER_MODE([enable])
 
 # Support silent build rules. Disable