diff --git a/.gitmodules b/.gitmodules
index d39dc1651d1617ed3d1c60686e0ec9845c128584..840311c2315459181cd8781c9f0e8edc8e3e00f0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,4 +19,4 @@
 	branch = master
 [submodule "src/tutorial_ros_hello_world"]
 	path = src/tutorial_ros_hello_world
-	url = ../tutorial_ros_hello_world.git
+	url = ../ceti-summer-school/tutorial_ros_hello_world.git