diff --git a/src/server/game/AI/SmartScripts/SmartAI.cpp b/src/server/game/AI/SmartScripts/SmartAI.cpp
index cf544729ae..361bb1a5b1 100644
--- a/src/server/game/AI/SmartScripts/SmartAI.cpp
+++ b/src/server/game/AI/SmartScripts/SmartAI.cpp
@@ -467,7 +467,7 @@ bool SmartAI::CanAIAttack(const Unit* /*who*/) const
 bool SmartAI::AssistPlayerInCombat(Unit* who)
 {
     if (me->HasReactState(REACT_PASSIVE))
-        return;
+        return false;
 
     if (!who || !who->GetVictim())
         return false;