diff --git a/src/network/network_coordinator.cpp b/src/network/network_coordinator.cpp
--- a/src/network/network_coordinator.cpp
+++ b/src/network/network_coordinator.cpp
@@ -135,7 +135,6 @@ bool ClientNetworkCoordinatorSocketHandl
 			return false;
 
 		case NETWORK_COORDINATOR_ERROR_REGISTRATION_FAILED:
-			SetDParamStr(0, detail);
 			ShowErrorMessage(STR_NETWORK_ERROR_COORDINATOR_REGISTRATION_FAILED, STR_JUST_RAW_STRING, WL_ERROR);
 
 			/* To prevent that we constantly try to reconnect, switch to local game. */
@@ -159,6 +158,15 @@ bool ClientNetworkCoordinatorSocketHandl
 			return true;
 		}
 
+		case NETWORK_COORDINATOR_ERROR_REUSE_OF_INVITE_CODE:
+			ShowErrorMessage(STR_NETWORK_ERROR_COORDINATOR_REUSE_OF_INVITE_CODE, STR_JUST_RAW_STRING, WL_ERROR);
+
+			/* To prevent that we constantly battle for the same invite-code, switch to local game. */
+			_settings_client.network.server_game_type = SERVER_GAME_TYPE_LOCAL;
+
+			this->CloseConnection();
+			return false;
+
 		default:
 			Debug(net, 0, "Invalid error type {} received from Game Coordinator", error);
 			this->CloseConnection();