diff --git a/hosts/jabber/default.nix b/hosts/jabber/default.nix
index 0c361d2e..b39bd40a 100644
--- a/hosts/jabber/default.nix
+++ b/hosts/jabber/default.nix
@@ -157,6 +157,7 @@ in
       };
       muc = [{
         domain = "chat.c3d2.de";
+        maxHistoryMessages = 100;
         name = "Group chats";
       }];