diff --git a/en29f002a.c b/en29f002a.c
index f4242f5..b89eb31 100644
--- a/en29f002a.c
+++ b/en29f002a.c
@@ -98,7 +98,10 @@
 
 	//chip_writeb(0xF0, bios);
 	programmer_delay(10);
-	erase_chip_jedec(flash);
+	if (erase_chip_jedec(flash)) {
+		fprintf(stderr, "ERASE FAILED!\n");
+		return -1;
+	}
 
 	printf("Programming page: ");
 	for (i = 0; i < total_size; i++) {