diff --git a/msys_doc.c b/msys_doc.c
index bfa4eca..8063dd7 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) */