diff --git a/.gitmodules b/.gitmodules
index 924ca4e..023e086 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
-[submodule "Polygeist"]
-	path = Polygeist
+[submodule "polygeist"]
+	path = polygeist
 	url = git@github.com:hanchenye/Polygeist.git
diff --git a/Polygeist b/polygeist
similarity index 100%
rename from Polygeist
rename to polygeist