diff --git a/Makefile b/Makefile
index 60179e2..6a04f6f 100644
--- a/Makefile
+++ b/Makefile
@@ -122,9 +122,13 @@ update :
 ## setting up the work folder
 tarball=librewolf-$(version)-$(source_release).source.tar.gz
 $(tarball) :
+ifeq ($(SOURCE_URL),)
 	wget -q -O $(tarball) "https://gitlab.com/api/v4/projects/32320088/packages/generic/librewolf-source/$(version)-$(source_release)/$(tarball)"
 	wget -q -O $(tarball).sha256sum "https://gitlab.com/api/v4/projects/32320088/packages/generic/librewolf-source/$(version)-$(source_release)/$(tarball).sha256sum"
 	sha256sum -c $(tarball).sha256sum
+else
+	wget -q -O $(tarball) "$(SOURCE_URL)"
+endif
 work : $(tarball)
 	mkdir work
 	(cd work && tar xf ../$(tarball))