diff --git a/source/Ox.UI/js/List/Ox.List.js b/source/Ox.UI/js/List/Ox.List.js
index 16bf871b..f5b7418d 100644
--- a/source/Ox.UI/js/List/Ox.List.js
+++ b/source/Ox.UI/js/List/Ox.List.js
@@ -1375,7 +1375,7 @@ Ox.List = function(options, self) {
                 self.options.items.sort(function(a, b) {
                     var aValue = sort[a.id],
                         bValue = sort[b.id],
-                        ret = 0
+                        ret = 0;
                     if (aValue < bValue) {
                         ret = operator == '+' ? -1 : 1;
                     } else if (aValue > bValue) {
diff --git a/source/Ox/js/Format.js b/source/Ox/js/Format.js
index a1cebb65..334e87d3 100644
--- a/source/Ox/js/Format.js
+++ b/source/Ox/js/Format.js
@@ -122,6 +122,9 @@ Ox.formatDate <f> Formats a date according to a format string
 
 Ox.formatDate = function(date, str, utc) {
     // fixme: date and utc are optional, date can be date, number or string
+    if (date == '') {
+        return '';
+    }
     date = Ox.makeDate(date);
     var format = [
         ['%', function() {return '%{%}';}],
@@ -546,4 +549,4 @@ Ox.formatUnit <f> Formats a number with a unit
 @*/
 Ox.formatUnit = function(num, str) {
     return Ox.formatNumber(num, 3) + ' ' + str;
-};
\ No newline at end of file
+};