diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index dd719ec..2c240b0 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1900,6 +1900,15 @@ void Human::ProcSkillPhase(MetaData::SkillPhase* phase)
                 }
             }
         };
+    auto explosion_check_func =
+        [] (const a8::XParams& param)
+        {
+            Obstacle* obstacle = (Obstacle*)param.sender.GetUserData();
+            if (!obstacle->dead) {
+                obstacle->dead = true;
+                obstacle->Explosion();
+            }
+        };
 
     switch (phase->func_id) {
     case Skill_Jump:
@@ -1957,14 +1966,7 @@ void Human::ProcSkillPhase(MetaData::SkillPhase* phase)
                 room->xtimer.AddDeadLineTimerAndAttach(SERVER_FRAME_RATE * 5,
                                                        a8::XParams()
                                                        .SetSender(obstacle),
-                                                       [] (const a8::XParams& param)
-                                                       {
-                                                           Obstacle* obstacle = (Obstacle*)param.sender.GetUserData();
-                                                           if (!obstacle->dead) {
-                                                               obstacle->dead = true;
-                                                               obstacle->Explosion();
-                                                           }
-                                                       },
+                                                       explosion_check_func,
                                                        &obstacle->xtimer_attacher.timer_list_);
             }
         }