diff --git a/server/gameserver/teammate_agent.cc b/server/gameserver/teammate_agent.cc
index 1ca30d3e..7eacc075 100644
--- a/server/gameserver/teammate_agent.cc
+++ b/server/gameserver/teammate_agent.cc
@@ -25,7 +25,7 @@ int TeammateAgent::GetUniId()
 
 bool TeammateAgent::IsValid()
 {
-    return target_.Get() && !target_.Get()->dead && target_.Get()->team_id != owner_->team_id;
+    return target_.Get() && !target_.Get()->dead && target_.Get()->team_id == owner_->team_id;
 }
 
 bool TeammateAgent::IsDead()