diff --git a/.gitmodules b/.gitmodules
index c307c1f13a6217bb9bb841e591f83c2288d5da3a..8c0876d6820c05bb2f5f6fecfc81097636706777 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "tabs"]
 	path = tabs
-	url = ../../AirShowerPhysics/corsika-data
+	url = ../../AirShowerPhysics/corsika-data.git
 	branch = master