diff --git a/web/react/components/file_preview.jsx b/web/react/components/file_preview.jsx
index fdd12feec4..7c1db3e10a 100644
--- a/web/react/components/file_preview.jsx
+++ b/web/react/components/file_preview.jsx
@@ -24,7 +24,7 @@ module.exports = React.createClass({
             if (filename.indexOf("/api/v1/files/get") != -1) {
                 filename = filename.split("/api/v1/files/get")[1];
             }
-            filename = window.location.origin + "/api/v1/files/get" + filename;
+            filename = utils.getWindowLocationOrigin() + "/api/v1/files/get" + filename;
 
             if (type === "image") {
                 previews.push(
diff --git a/web/react/components/post_body.jsx b/web/react/components/post_body.jsx
index 9f598ecb36..641ffeef27 100644
--- a/web/react/components/post_body.jsx
+++ b/web/react/components/post_body.jsx
@@ -32,7 +32,7 @@ module.exports = React.createClass({
                 if (fileInfo.path.indexOf("/api/v1/files/get") != -1) {
                     fileInfo.path = fileInfo.path.split("/api/v1/files/get")[1];
                 }
-                fileInfo.path = window.location.origin + "/api/v1/files/get" + fileInfo.path;
+                fileInfo.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + fileInfo.path;
 
                 if (type === "image") {
                     $('<img/>').attr('src', fileInfo.path+'_thumb.jpg').load(function(path, name){ return function() {
@@ -112,7 +112,7 @@ module.exports = React.createClass({
                 if (fileInfo.path.indexOf("/api/v1/files/get") != -1) {
                     fileInfo.path = fileInfo.path.split("/api/v1/files/get")[1];
                 }
-                fileInfo.path = window.location.origin + "/api/v1/files/get" + fileInfo.path;
+                fileInfo.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + fileInfo.path;
 
                 if (type === "image") {
                     if (i < Constants.MAX_DISPLAY_FILES) {
diff --git a/web/react/components/post_right.jsx b/web/react/components/post_right.jsx
index 567be19621..8097a181e9 100644
--- a/web/react/components/post_right.jsx
+++ b/web/react/components/post_right.jsx
@@ -98,7 +98,7 @@ RootPost = React.createClass({
                 if (fileInfo.path.indexOf("/api/v1/files/get") != -1) {
                     fileInfo.path = fileInfo.path.split("/api/v1/files/get")[1];
                 }
-                fileInfo.path = window.location.origin + "/api/v1/files/get" + fileInfo.path;
+                fileInfo.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + fileInfo.path;
 
                 if (ftype === "image") {
                     var url = fileInfo.path.replace(re1, '%20').replace(re2, '%28').replace(re3, '%29');
@@ -208,7 +208,7 @@ CommentPost = React.createClass({
                 if (fileInfo.path.indexOf("/api/v1/files/get") != -1) {
                     fileInfo.path = fileInfo.path.split("/api/v1/files/get")[1];
                 }
-                fileInfo.path = window.location.origin + "/api/v1/files/get" + fileInfo.path;
+                fileInfo.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + fileInfo.path;
 
                 if (type === "image") {
                     var url = fileInfo.path.replace(re1, '%20').replace(re2, '%28').replace(re3, '%29');
diff --git a/web/react/components/sidebar_header.jsx b/web/react/components/sidebar_header.jsx
index 5b442aeacc..e7512934a3 100644
--- a/web/react/components/sidebar_header.jsx
+++ b/web/react/components/sidebar_header.jsx
@@ -68,10 +68,10 @@ var NavbarDropdown = React.createClass({
             for (var i = 0; i < this.state.teams.length; i++) {
                 var teamName = this.state.teams[i];
 
-                teams.push(<li key={ teamName }><a href={window.location.origin + "/" + teamName }>Switch to { teamName }</a></li>);
+                teams.push(<li key={ teamName }><a href={utils.getWindowLocationOrigin() + "/" + teamName }>Switch to { teamName }</a></li>);
             }
         }
-        teams.push(<li><a href={window.location.origin + "/signup_team" }>Create a New Team</a></li>);
+        teams.push(<li><a href={utils.getWindowLocationOrigin() + "/signup_team" }>Create a New Team</a></li>);
 
         return (
             <ul className="nav navbar-nav navbar-right">
diff --git a/web/react/components/signup_team_complete.jsx b/web/react/components/signup_team_complete.jsx
index ebb40f17f0..21f9edef14 100644
--- a/web/react/components/signup_team_complete.jsx
+++ b/web/react/components/signup_team_complete.jsx
@@ -261,7 +261,7 @@ TeamURLPage = React.createClass({
                <div className="row">
                     <div className="col-sm-11">
                         <div className="input-group">
-                            <span className="input-group-addon">{ window.location.origin + "/" }</span>
+                            <span className="input-group-addon">{ utils.getWindowLocationOrigin() + "/" }</span>
                             <input type="text" ref="name" className="form-control" placeholder="" maxLength="128" defaultValue={this.props.state.team.name} autoFocus={true} onFocus={this.handleFocus}/>
                         </div>
                     </div>
@@ -592,7 +592,7 @@ PasswordPage = React.createClass({
                     props.state.wizard = "finished";
                     props.updateParent(props.state, true);
 
-                    window.location.href = window.location.origin + '/' + props.state.team.name + '/login?email=' + encodeURIComponent(teamSignup.team.email);
+                    window.location.href = utils.getWindowLocationOrigin() + '/' + props.state.team.name + '/login?email=' + encodeURIComponent(teamSignup.team.email);
 
                     // client.loginByEmail(teamSignup.team.domain, teamSignup.team.email, teamSignup.user.password,
                     //     function(data) {
diff --git a/web/react/components/view_image.jsx b/web/react/components/view_image.jsx
index c107de4d79..7b096c6298 100644
--- a/web/react/components/view_image.jsx
+++ b/web/react/components/view_image.jsx
@@ -40,7 +40,7 @@ module.exports = React.createClass({
             if (fileInfo.path.indexOf("/api/v1/files/get") !== -1) {
                 fileInfo.path = fileInfo.path.split("/api/v1/files/get")[1];
             }
-            fileInfo.path = window.location.origin + "/api/v1/files/get" + fileInfo.path;
+            fileInfo.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + fileInfo.path;
             src = fileInfo['path'] + '_preview.jpg';
         }
 
@@ -148,7 +148,7 @@ module.exports = React.createClass({
                     if (info.path.indexOf("/api/v1/files/get") !== -1) {
                         info.path = info.path.split("/api/v1/files/get")[1];
                     }
-                    info.path = window.location.origin + "/api/v1/files/get" + info.path;
+                    info.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + info.path;
                     preview_filename = info['path'] + '_preview.jpg';
                 }
 
@@ -166,7 +166,7 @@ module.exports = React.createClass({
         if (download_link.indexOf("/api/v1/files/get") !== -1) {
             download_link = download_link.split("/api/v1/files/get")[1];
         }
-        download_link = window.location.origin + "/api/v1/files/get" + download_link;
+        download_link = utils.getWindowLocationOrigin() + "/api/v1/files/get" + download_link;
 
         return (
             <div className="modal fade image_modal" ref="modal" id={this.props.modalId} tabIndex="-1" role="dialog" aria-hidden="true">
diff --git a/web/react/stores/team_store.jsx b/web/react/stores/team_store.jsx
index 3f12725f81..e6380d19ea 100644
--- a/web/react/stores/team_store.jsx
+++ b/web/react/stores/team_store.jsx
@@ -11,6 +11,12 @@ var BrowserStore = require('../stores/browser_store.jsx');
 
 var CHANGE_EVENT = 'change';
 
+var utils;
+function getWindowLocationOrigin() {
+    if (!utils) utils = require('../utils/utils.jsx');
+    return utils.getWindowLocationOrigin();
+}
+
 var TeamStore = assign({}, EventEmitter.prototype, {
   emitChange: function() {
     this.emit(CHANGE_EVENT);
@@ -58,7 +64,7 @@ var TeamStore = assign({}, EventEmitter.prototype, {
       return null;
   },
   getCurrentTeamUrl: function() {
-      return window.location.origin + "/" + this.getCurrent().name;
+      return getWindowLocationOrigin() + "/" + this.getCurrent().name;
   },
   storeTeam: function(team) {
       var teams = this._getTeams();
diff --git a/web/react/utils/utils.jsx b/web/react/utils/utils.jsx
index fbf1e0d4f0..8a4d92b85a 100644
--- a/web/react/utils/utils.jsx
+++ b/web/react/utils/utils.jsx
@@ -22,8 +22,6 @@ module.exports.cleanUpUrlable = function(input) {
     return cleaned;
 };
 
-
-
 module.exports.isTestDomain = function() {
 
     if ((/^localhost/).test(window.location.hostname))
@@ -841,3 +839,12 @@ module.exports.getDisplayName = function(user) {
         }
     }
 };
+
+//IE10 does not set window.location.origin automatically so this must be called instead when using it
+module.exports.getWindowLocationOrigin = function() {
+    var windowLocationOrigin = window.location.origin;
+    if (!windowLocationOrigin) {
+        windowLocationOrigin = window.location.protocol + "//" + window.location.hostname + (window.location.port ? ':' + window.location.port: '');
+    }
+    return windowLocationOrigin;
+};