diff --git a/c64/kernal/iec/f000.iec_jiffydos.s b/c64/kernal/iec/f000.iec_jiffydos.s
index d33d91d5..8691efa9 100644
--- a/c64/kernal/iec/f000.iec_jiffydos.s
+++ b/c64/kernal/iec/f000.iec_jiffydos.s
@@ -109,7 +109,7 @@ iec_tx_byte_jiffydos_finalize:
 
 iec_tx_byte_jiffydos_wait_eoi:
 
-	jsr iec_wait20us // XXX is it enough?
+	jsr iec_wait60us
 	lda C3PO
 	jmp iec_tx_byte_jiffydos_finalize