diff --git a/src/gcm-calibrate-argyll.c b/src/gcm-calibrate-argyll.c
index 22963f8..7dee5ff 100644
--- a/src/gcm-calibrate-argyll.c
+++ b/src/gcm-calibrate-argyll.c
@@ -2151,7 +2151,7 @@ gcm_calibrate_argyll_interaction_attach (GcmCalibrateArgyll *calibrate_argyll)
 	gcm_calibrate_dialog_set_button_ok_id (priv->calibrate_dialog, _("Continue"));
 
 	/* set state */
-	priv->argyllcms_ok = " ";
+	priv->argyllcms_ok = "\n";
 	priv->state = GCM_CALIBRATE_ARGYLL_STATE_WAITING_FOR_STDIN,
 
 	/* play sound from the naming spec */
