diff --git a/server/gameserver/matchteam.cc b/server/gameserver/matchteam.cc
index 5e2a806d..62b3e0be 100644
--- a/server/gameserver/matchteam.cc
+++ b/server/gameserver/matchteam.cc
@@ -216,6 +216,12 @@ bool MatchTeam::IsValidMember(const cs::CMJoin& msg)
     if (first_member_->msg->team_uuid() != msg.team_uuid()) {
         return false;
     }
+    if (first_member_->msg->room_mode() != msg.room_mode()) {
+        return false;
+    }
+    if (first_member_->msg->pve_instance_id() != msg.pve_instance_id()) {
+        return false;
+    }
     if (first_member_->msg->team_slot_num() != msg.team_slot_num()) {
         return false;
     }