diff --git a/src/game/Instances/InstanceSaveMgr.cpp b/src/game/Instances/InstanceSaveMgr.cpp
index c17061d30..850457d34 100644
--- a/src/game/Instances/InstanceSaveMgr.cpp
+++ b/src/game/Instances/InstanceSaveMgr.cpp
@@ -507,7 +507,7 @@ void InstanceSaveManager::_ResetOrWarnAll(uint32 mapid, Difficulty difficulty, b
         // calculate the next reset time
         uint32 diff = sWorld->getIntConfig(CONFIG_INSTANCE_RESET_TIME_HOUR) * HOUR;
 
-        uint32 period = mapDiff->resetTime;
+        uint32 period = uint32(((mapDiff->resetTime * sWorld->getRate(RATE_INSTANCE_RESET_TIME))/DAY) * DAY);
         if (period < DAY)
             period = DAY;