diff --git a/Makefile.am b/Makefile.am
index 054df8d2852758593f733d092362c8aaf2ebdf11..145004088a6d6bca4dcc64167a3fd320de73098d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -110,4 +110,5 @@ SUFFIXES = .gz .tar .tar.gz
 	$(TAR) cf $@ $<
 
 %.gz: %
-	$(GZIP) -9 $<
\ No newline at end of file
+	$(GZIP) -f -9 $<
+