diff --git a/structs.h b/structs.h
index f7fd05cbb..d052fdb5c 100644
--- a/structs.h
+++ b/structs.h
@@ -1472,7 +1472,7 @@ typedef struct _FILEHEADER {
 	int signature;
 	int headersize;
 	int filesize;
-	short version;
+	WORD version;
 	short sectorsizeid;
 	int hashoffset;
 	int blockoffset;