diff --git a/src/server/game/Entities/Object/Object.cpp b/src/server/game/Entities/Object/Object.cpp
index 8653949e95..868ceeb9e3 100644
--- a/src/server/game/Entities/Object/Object.cpp
+++ b/src/server/game/Entities/Object/Object.cpp
@@ -2242,7 +2242,10 @@ void WorldObject::SummonCreatureGroup(uint8 group, std::list<TempSummon*>* list
 
     std::vector<TempSummonData> const* data = sObjectMgr->GetSummonGroup(GetEntry(), GetTypeId() == TYPEID_GAMEOBJECT ? SUMMONER_TYPE_GAMEOBJECT : SUMMONER_TYPE_CREATURE, group);
     if (!data)
+    {
+        TC_LOG_WARN("scripts", "%s (%s) tried to summon non-existing summon group %u.", GetName(), GetGUID().ToString(), group);
         return;
+    }
 
     for (std::vector<TempSummonData>::const_iterator itr = data->begin(); itr != data->end(); ++itr)
         if (TempSummon* summon = SummonCreature(itr->entry, itr->pos, itr->type, itr->time))