diff --git a/quest/static/quest.js b/quest/static/quest.js
index 0fab0cc..74cbefa 100644
--- a/quest/static/quest.js
+++ b/quest/static/quest.js
@@ -177,7 +177,11 @@ function submitWritein(post_id) {
 
 /* Helpers */
 function padToTwo(number) {
-	if (number<=99) { number = ("0"+number).slice(-2); }
+	if (number >= 0) {
+		if (number < 10) { number = "0" + number; }
+	} else {
+		if (number > -10) { number = "-0" + -1*number; }
+	}
 	return number;
 }
 function strftime(date) {