diff --git a/po/Makefile b/po/Makefile
index 0a9495a2eddba418d62c66364f58cf6299d04247..819e8f9536038a2961d57e6ab5ac243f664e2217 100644
--- a/po/Makefile
+++ b/po/Makefile
@@ -63,4 +63,4 @@ install:
 	done
 
 clean:
-	rm *.mo
+	rm -f *.mo