diff --git a/src/mod_server_idler.cpp b/src/mod_server_idler.cpp
index 49ef23b..8f5f6ee 100644
--- a/src/mod_server_idler.cpp
+++ b/src/mod_server_idler.cpp
@@ -16,7 +16,7 @@ namespace
             return;
 
         uint32 newInterval = (sPlayersOnline > 0) ? sIntervalActive : sIntervalIdle;
-        sWorld->setIntConfig(CONFIG_MAP_UPDATE_INTERVAL, newInterval);
+        sWorld->setIntConfig(CONFIG_INTERVAL_MAPUPDATE, newInterval);
     }
 }