diff --git a/msys_doc.c b/msys_doc.c
index a11249e..7e9ca9a 100644
--- a/msys_doc.c
+++ b/msys_doc.c
@@ -202,6 +202,7 @@
 	printf("\n");
 	//protect_md2802(bios);
 
+	return 0;
 }				/* int write_md2802(struct flashchip *flash, char *buf) */