diff --git a/mendel.c b/mendel.c
index 600074a..0ccf7f9 100644
--- a/mendel.c
+++ b/mendel.c
@@ -108,7 +108,7 @@ void init(void) {
 	wd_reset();
 
 	// say hi to host
-	serial_writestr_P(PSTR("Start\nOK\n"));
+	serial_writestr_P(PSTR("Start\nok\n"));
 
 }