diff --git a/sb600spi.c b/sb600spi.c
index 10f1cb7..259ad27 100644
--- a/sb600spi.c
+++ b/sb600spi.c
@@ -63,7 +63,10 @@
 
 	/* Erase first */
 	printf("Erasing flash before programming... ");
-	flash->erase(flash);
+	if (flash->erase(flash)) {
+		fprintf(stderr, "ERASE FAILED!\n");
+		return -1;
+	}
 	printf("done.\n");
 
 	printf("Programming flash");