diff --git a/angular-file-directive.js b/angular-file-directive.js
index 98028b2..346cf55 100644
--- a/angular-file-directive.js
+++ b/angular-file-directive.js
@@ -7,6 +7,15 @@ angular.module('ngFile', [])
         file: '='
       },
       link: function (scope, elem) {
+        function getFileModifiedDate (file) {
+          if (file.lastModifiedDate) {
+            return file.lastModifiedDate.toJSON();
+          }
+          else if (file.lastModified) {
+            return new Date(file.lastModified).toJSON();
+          }
+          return new Date().toJSON();
+        }
         // Listen for change in the input element
         elem.bind('change', function (changeEvent) {
           var files = [];
@@ -30,7 +39,7 @@ angular.module('ngFile', [])
               }
               // Compile data from file
               files.push({
-                updatedAt: file.lastModifiedDate.toJSON(),
+                updatedAt: getFileModifiedDate(file),
                 size: file.size,
                 type: file.type,
                 name: file.name,
diff --git a/bower.json b/bower.json
index 70ef51b..ea23000 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-file-directive",
-  "version": "1.3.0",
+  "version": "1.3.3",
   "homepage": "https://github.com/vpegado/angular-file-directive",
   "authors": [
     "Victor Pegado <victor.pegado@kivra.com>"
diff --git a/package.json b/package.json
index e643d97..3e9b92c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-file-directive",
-  "version": "1.3.0",
+  "version": "1.3.3",
   "homepage": "https://github.com/vpegado/angular-file-directive",
   "authors": [
     "Victor Pegado <victor.pegado@kivra.com>"