diff --git a/main/gamecntl.c b/main/gamecntl.c
index b283f1a43..03588fa3e 100644
--- a/main/gamecntl.c
+++ b/main/gamecntl.c
@@ -93,6 +93,7 @@ COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 
 #ifdef EDITOR
 #include "editor/editor.h"
+#include "editor/esegment.h"
 #endif
 
 #include <SDL/SDL.h>