diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 4e285e8..acc1564 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -868,10 +868,12 @@ void Creature::ProcBuffEffect(Creature* caster, Buff* buff)
         break;
     case kBET_SummonHero:
         {
-            SummonHero(buff,
-                       GetPos(),
-                       GetMoveDir(),
-                       buff->meta->hero_infos);
+            if (!dead) {
+                SummonHero(buff,
+                           GetPos(),
+                           GetMoveDir(),
+                           buff->meta->hero_infos);
+            }
         }
         break;
     case kBET_Shield:
@@ -887,9 +889,7 @@ void Creature::ProcBuffEffect(Creature* caster, Buff* buff)
     case kBET_SummonObstacle:
         {
             if (!dead) {
-                a8::Vec2 target_pos = caster->GetPos() + caster->skill_dir_ * caster->skill_distance_;
-                target_pos = buff_vec2_param1;
-                SummonObstacle(buff, buff->meta->param1, target_pos);
+                SummonObstacle(buff, buff->meta->param1, buff_vec2_param1);
             }
         }
         break;