diff --git a/source/gameengine/GamePlayer/ghost/Makefile b/source/gameengine/GamePlayer/ghost/Makefile
index 0b187791734..52e219db8f2 100644
--- a/source/gameengine/GamePlayer/ghost/Makefile
+++ b/source/gameengine/GamePlayer/ghost/Makefile
@@ -41,6 +41,7 @@ CPPFLAGS += -I$(OPENGL_HEADERS)
 CPPFLAGS += -I$(NAN_STRING)/include    
 CPPFLAGS += -I$(NAN_BMFONT)/include
 CPPFLAGS += -I$(NAN_SOUNDSYSTEM)/include
+CPPFLAGS += -I$(NAN_GUARDEDALLOC)/include
 
 CPPFLAGS += -I../../GamePlayer/common