diff --git a/server/gameserver/matchteam.cc b/server/gameserver/matchteam.cc
index 937b13d7..1083cef7 100644
--- a/server/gameserver/matchteam.cc
+++ b/server/gameserver/matchteam.cc
@@ -783,3 +783,8 @@ bool MatchTeam::HaveEmptySlot()
 {
     return false;
 }
+
+int MatchTeam::GetFreeSlotNum()
+{
+    return 0;
+}
diff --git a/server/gameserver/matchteam.h b/server/gameserver/matchteam.h
index 3c84d257..bc12d3eb 100644
--- a/server/gameserver/matchteam.h
+++ b/server/gameserver/matchteam.h
@@ -75,6 +75,7 @@ class MatchTeam
     std::shared_ptr<RawTeamMember> GetOwner() { return first_member_; };
     int GetSlotNum();
     bool HaveEmptySlot();
+    int GetFreeSlotNum();
 
  private:
     void Update();