diff --git a/server/gameserver/buff.cc b/server/gameserver/buff.cc
index e58eb5c9..e988c8b0 100644
--- a/server/gameserver/buff.cc
+++ b/server/gameserver/buff.cc
@@ -134,12 +134,13 @@ void Buff::InternalTimerAddBuff()
             }
         };
 
+    float param1 = meta->GetBuffParam1(this);
     switch (meta->buff_effect() ) {
     case kBET_DelayAddBuff:
         {
             owner->room->xtimer.SetTimeoutEx
                 (
-                 meta->_buff_param1 * SERVER_FRAME_RATE,
+                 param1 * SERVER_FRAME_RATE,
                  timer_func,
                  &xtimer_attacher
                  );
@@ -149,7 +150,7 @@ void Buff::InternalTimerAddBuff()
         {
             owner->room->xtimer.SetIntervalEx
                 (
-                 meta->_buff_param1 * SERVER_FRAME_RATE,
+                 param1 * SERVER_FRAME_RATE,
                  timer_func,
                  &xtimer_attacher
                  );