diff --git a/.gitmodules b/.gitmodules
index 4ab4cf04..6556377d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "libraries/MCAD"]
 	path = libraries/MCAD
-	url = git@github.com:openscad/MCAD.git
+	url = ../MCAD.git