diff --git a/src/components/structures/RoomDirectory.js b/src/components/structures/RoomDirectory.js
index e160b780c..cd9ac565a 100644
--- a/src/components/structures/RoomDirectory.js
+++ b/src/components/structures/RoomDirectory.js
@@ -334,7 +334,7 @@ module.exports = React.createClass({
                 }
             }, (e) => {
                 const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
-                Modal.createTrackedDialog('Fetching third party location failed', e.toString(), ErrorDialog, {
+                Modal.createTrackedDialog('Fetching third party location failed', '', ErrorDialog, {
                     title: _t('Fetching third party location failed'),
                     description: _t('Unable to look up room ID from server'),
                 });
diff --git a/src/components/views/context_menus/MessageContextMenu.js b/src/components/views/context_menus/MessageContextMenu.js
index ef87dcb94..a0381245c 100644
--- a/src/components/views/context_menus/MessageContextMenu.js
+++ b/src/components/views/context_menus/MessageContextMenu.js
@@ -99,7 +99,7 @@ module.exports = React.createClass({
                     const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                     // display error message stating you couldn't delete this.
                     const code = e.errcode || e.statusCode;
-                    Modal.createTrackedDialog('You cannot delete this message', e.toString(), ErrorDialog, {
+                    Modal.createTrackedDialog('You cannot delete this message', '', ErrorDialog, {
                         title: _t('Error'),
                         description: _t('You cannot delete this message. (%(code)s)', {code: code})
                     });
diff --git a/src/components/views/elements/ImageView.js b/src/components/views/elements/ImageView.js
index 968037747..e70a5d3be 100644
--- a/src/components/views/elements/ImageView.js
+++ b/src/components/views/elements/ImageView.js
@@ -76,7 +76,7 @@ module.exports = React.createClass({
                     var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                     // display error message stating you couldn't delete this.
                     var code = e.errcode || e.statusCode;
-                    Modal.createTrackedDialog('You cannot delete this image.', e.toString(), ErrorDialog, {
+                    Modal.createTrackedDialog('You cannot delete this image.', '', ErrorDialog, {
                         title: _t('Error'),
                         description: _t('You cannot delete this image. (%(code)s)', {code: code})
                     });
diff --git a/src/components/views/settings/Notifications.js b/src/components/views/settings/Notifications.js
index 1ca63e1e8..a58b5d580 100644
--- a/src/components/views/settings/Notifications.js
+++ b/src/components/views/settings/Notifications.js
@@ -131,7 +131,7 @@ module.exports = React.createClass({
             this._refreshFromServer();
         }, (error) => {
             var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
-            Modal.createTrackedDialog('Error saving email notification preferences', error.toString(), ErrorDialog, {
+            Modal.createTrackedDialog('Error saving email notification preferences', '', ErrorDialog, {
                 title: _t('Error saving email notification preferences'),
                 description: _t('An error occurred whilst saving your email notification preferences.'),
             });
@@ -241,7 +241,7 @@ module.exports = React.createClass({
             }, function(error) {
                 var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                 console.error("Failed to change settings: " + error);
-                Modal.createTrackedDialog('Failed to change settings', error.toString(), ErrorDialog, {
+                Modal.createTrackedDialog('Failed to change settings', '', ErrorDialog, {
                     title: _t('Failed to change settings'),
                     description: ((error && error.message) ? error.message : _t('Operation failed')),
                     onFinished: self._refreshFromServer
@@ -311,7 +311,7 @@ module.exports = React.createClass({
         }, function(error) {
             var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             console.error("Can't update user notification settings: " + error);
-            Modal.createTrackedDialog('Can\'t update user notifcation settings', error.toString(), ErrorDialog, {
+            Modal.createTrackedDialog('Can\'t update user notifcation settings', '', ErrorDialog, {
                 title: _t('Can\'t update user notification settings'),
                 description: ((error && error.message) ? error.message : _t('Operation failed')),
                 onFinished: self._refreshFromServer
@@ -353,7 +353,7 @@ module.exports = React.createClass({
         var onError = function(error) {
             var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             console.error("Failed to update keywords: " + error);
-            Modal.createTrackedDialog('Failed to update keywords', error.toString(), ErrorDialog, {
+            Modal.createTrackedDialog('Failed to update keywords', '', ErrorDialog, {
                 title: _t('Failed to update keywords'),
                 description: ((error && error.message) ? error.message : _t('Operation failed')),
                 onFinished: self._refreshFromServer