diff --git a/src/game/GridNotifiers.cpp b/src/game/GridNotifiers.cpp
index 35aff8a727..e9e1449fa2 100644
--- a/src/game/GridNotifiers.cpp
+++ b/src/game/GridNotifiers.cpp
@@ -19,6 +19,7 @@
  */
 
 #include "GridNotifiers.h"
+#include "GridNotifiersImpl.h"
 #include "WorldPacket.h"
 #include "WorldSession.h"
 #include "UpdateData.h"