diff --git a/src/game/GridNotifiers.cpp b/src/game/GridNotifiers.cpp
index 91b70467a9..35aff8a727 100644
--- a/src/game/GridNotifiers.cpp
+++ b/src/game/GridNotifiers.cpp
@@ -26,6 +26,7 @@
 #include "Map.h"
 #include "Transports.h"
 #include "ObjectAccessor.h"
+#include "CellImpl.h"
 
 using namespace Trinity;