diff --git a/.gitmodules b/.gitmodules
index 083047e..08b1f98 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "CommonCore"]
 	path = CommonCore
 	url = gitea@steamwar.de:SteamWar/CommonCore.git
+	branch = master