diff --git a/mk/dist.mk b/mk/dist.mk
index 3e89aec81f..444c58b3fe 100644
--- a/mk/dist.mk
+++ b/mk/dist.mk
@@ -1,3 +1,5 @@
+ifdef PACKAGE_NAME
+
 dist_name = $(PACKAGE_NAME)-$(PACKAGE_VERSION)
 
 dist_files :=
@@ -8,3 +10,5 @@ $(dist_name).tar.bz2: $(dist_files)
 	$(QUIET) tar cvfj $@ $(dist_files) --transform 's,^,$(dist_name)/,'
 
 clean_files += $(dist_name).tar.bz2
+
+endif