diff --git a/server/gameserver/gungrasp.cc b/server/gameserver/gungrasp.cc
index e7798303..44960d13 100644
--- a/server/gameserver/gungrasp.cc
+++ b/server/gameserver/gungrasp.cc
@@ -29,9 +29,9 @@ struct GraspBuff
                     gun_grasp->GetOwner()->room->xtimer.SetTimeoutEx
                         (
                          buff_time * SERVER_FRAME_RATE,
-                         [] (int event, const a8::Args* args)
+                         [this, gun_grasp, count, buff1_meta] (int event, const a8::Args* args)
                          {
-
+                             gun_grasp->RemoveSignet(buff1_meta->graspbuff_id(), count);
                          },
                          &xtimer_attacher);
                 }