diff --git a/engines/chewy/chewy.h b/engines/chewy/chewy.h
index 6bb9df536f0..34a3d5f4ba9 100644
--- a/engines/chewy/chewy.h
+++ b/engines/chewy/chewy.h
@@ -20,8 +20,8 @@
  *
  */
 
-#ifndef CHEWY_H
-#define CHEWY_H
+#ifndef CHEWY_CHEWY_H
+#define CHEWY_CHEWY_H
 
 
 #include "common/scummsys.h"