diff --git a/index.html b/index.html
index 373b406..137dd6c 100644
--- a/index.html
+++ b/index.html
@@ -27,6 +27,7 @@
(e, s = t.value.split(':').reduce((a, x) => (60 * a) + +x)) => e.keyCode == 13 && !on
? (
on = true,
+ t.blur(),
tmr = setInterval(() => s == 0
? (on = false, clearInterval(tmr), t.value = "")
: t.value = (new Date(s-- * 1000)).toISOString().substr(11, 8).replace(/:/g, ' : '), 1000)