diff --git a/.gitmodules b/.gitmodules
index 5191885e7..d063a8e89 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "tools/clang"]
 	path = tools/clang
-	url = https://github.com/wjakob/clang-cindex-python3
+	url = ../../wjakob/clang-cindex-python3