diff --git a/src/game/InstanceSaveMgr.cpp b/src/game/InstanceSaveMgr.cpp
index 2c3161e2fa..f0df28c5c1 100644
--- a/src/game/InstanceSaveMgr.cpp
+++ b/src/game/InstanceSaveMgr.cpp
@@ -648,6 +648,10 @@ void InstanceSaveManager::_ResetOrWarnAll(uint32 mapid, bool warn, uint32 timeLe
         uint64 next_reset = ((now + timeLeft + MINUTE) / DAY * DAY) + period + diff;
         // update it in the DB
         CharacterDatabase.PExecute("UPDATE instance_reset SET resettime = '"UI64FMTD"' WHERE mapid = '%d'", next_reset, mapid);
+
+        // schedule next reset.
+        m_resetTimeByMapId[mapid] = (time_t) next_reset;
+        ScheduleReset(true, (time_t) next_reset, InstResetEvent(1, mapid));
     }
 
     MapInstanced::InstancedMaps &instMaps = ((MapInstanced*)map)->GetInstancedMaps();