diff --git a/package/pkg-generic.mk b/package/pkg-generic.mk
index a303dc2e07..8a3b5f90a9 100644
--- a/package/pkg-generic.mk
+++ b/package/pkg-generic.mk
@@ -488,7 +488,7 @@ BR_NO_CHECK_HASH_FOR += $$($(2)_SOURCE)
 endif
 
 $(2)_ALL_DOWNLOADS = \
-	$$($(2)_SITE_METHOD)+$$($(2)_SITE)/$$($(2)_SOURCE) \
+	$$(if $$($(2)_SOURCE),$$($(2)_SITE_METHOD)+$$($(2)_SITE)/$$($(2)_SOURCE)) \
 	$$(foreach p,$$($(2)_PATCH) $$($(2)_EXTRA_DOWNLOADS),\
 		$$(if $$(findstring ://,$$(p)),$$(p),\
 			$$($(2)_SITE)/$$(p)))