diff --git a/Makefile.am b/Makefile.am
index b114971aebb8122d25c49eb3fd7b0c73c7abfdd3..485bf3c96fc2e0ca23d773f3d5e51e04b7c36639 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,7 +6,7 @@ endif
 
 ACLOCAL_AMFLAGS  = -I ./m4
 
-EXTRA_DIST = DEMO m4/check-package.m4
+EXTRA_DIST = DEMO $(wildcard m4/*.m4)
 
 # This target only makes sense for maintainers!!
 cvs-clean: