diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index a0b1d0a..b0a154e 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -857,9 +857,11 @@ void Creature::ProcBuffEffect(Creature* caster, Buff* buff)
         break;
     case kBET_SummonObstacle:
         {
-            a8::Vec2 target_pos = caster->GetPos() + caster->skill_dir_ * caster->skill_distance_;
-            target_pos = buff_vec2_param1;
-            SummonObstacle(buff->meta->param1, target_pos);
+            if (!dead) {
+                a8::Vec2 target_pos = caster->GetPos() + caster->skill_dir_ * caster->skill_distance_;
+                target_pos = buff_vec2_param1;
+                SummonObstacle(buff->meta->param1, target_pos);
+            }
         }
         break;
     case kBET_Sprint: