diff --git a/.gitmodules b/.gitmodules
index 9389fa7..5cb68f5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "assets/images/bg"]
 	path = assets/images/bg
 	url = git@ssh.git.nanao.moe:Damillora/nanaomoe-bg.git
+	branch = master