diff --git a/.gitmodules b/.gitmodules
index 17d3a50c7..4c32a3bdf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1324,7 +1324,7 @@
 
 [submodule "extensions/struct-theme"]
 	path = extensions/struct-theme
-	url = https://gitlab.com/Fake.User/struct-zed-theme
+	url = https://gitlab.com/Fake.User/struct-zed-theme.git
 
 [submodule "extensions/sublime-mariana-theme"]
 	path = extensions/sublime-mariana-theme