diff --git a/Makefile.am b/Makefile.am
index 9564f9881bbff672c0fc038f44d965ee94174d2a..ec77e3fbe6a440ae4d7765837bff89d14202eb10 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -26,7 +26,9 @@ EXTRA_DIST = 			\
 DISTCLEANFILES = \
 	intltool-extract \
 	intltool-merge \
-	intltool-update
+	intltool-update \
+	po/.intltool-merge-cache.lock
+
 
 distuninstallcheck_listfiles = 						\
 	find . -type f -print | grep -v ./share/icons/hicolor/icon-theme.cache