diff --git a/Makefile.am b/Makefile.am
index db18a2ce3b45c141ed25bfa43b60f7f1dd5a3ffb..ad7998267e74ffdeb92b39d2868670aa4a46845a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -115,7 +115,7 @@ DISTCLEANFILES =							\
 	$(polkit_in_files)						\
 	$(polkit_policy_DATA)
 
-DISTCHECK_CONFIGURE_FLAGS =						\
+AM_DISTCHECK_CONFIGURE_FLAGS =						\
 	--enable-gtk-doc							\
 	--enable-gen-doc							\
 	--enable-introspection