diff --git a/src/components/views/rooms/PinnedEventTile.js b/src/components/views/rooms/PinnedEventTile.js
index 514a84cc86..65b41d946a 100644
--- a/src/components/views/rooms/PinnedEventTile.js
+++ b/src/components/views/rooms/PinnedEventTile.js
@@ -47,7 +47,8 @@ module.exports = React.createClass({
             const index = pinned.indexOf(this.props.mxEvent.getId());
             if (index !== -1) {
                 pinned.splice(index, 1);
-                MatrixClientPeg.get().sendStateEvent(this.props.mxRoom.roomId, 'm.room.pinned_events', {pinned}, '').then(() => {
+                MatrixClientPeg.get().sendStateEvent(this.props.mxRoom.roomId, 'm.room.pinned_events', {pinned}, '')
+                .then(() => {
                     if (this.props.onUnpinned) this.props.onUnpinned();
                 });
             } else if (this.props.onUnpinned) this.props.onUnpinned();
diff --git a/src/components/views/rooms/PinnedEventsPanel.js b/src/components/views/rooms/PinnedEventsPanel.js
index 2e3f6e8390..deea03f030 100644
--- a/src/components/views/rooms/PinnedEventsPanel.js
+++ b/src/components/views/rooms/PinnedEventsPanel.js
@@ -47,20 +47,21 @@ module.exports = React.createClass({
             const promises = [];
             const cli = MatrixClientPeg.get();
 
-            pinnedEvents.getContent().pinned.map(eventId => {
-                promises.push(cli.getEventTimeline(this.props.room.getUnfilteredTimelineSet(), eventId, 0).then(timeline => {
-                    const event = timeline.getEvents().find(e => e.getId() === eventId);
+            pinnedEvents.getContent().pinned.map((eventId) => {
+                promises.push(cli.getEventTimeline(this.props.room.getUnfilteredTimelineSet(), eventId, 0).then(
+                (timeline) => {
+                    const event = timeline.getEvents().find((e) => e.getId() === eventId);
                     return {eventId, timeline, event};
-                }).catch(err => {
+                }).catch((err) => {
                     console.error("Error looking up pinned event " + eventId + " in room " + this.props.room.roomId);
                     console.error(err);
                     return null; // return lack of context to avoid unhandled errors
                 }));
             });
 
-            Promise.all(promises).then(contexts => {
+            Promise.all(promises).then((contexts) => {
                 // Filter out the messages before we try to render them
-                const pinned = contexts.filter(context => {
+                const pinned = contexts.filter((context) => {
                     if (!context) return false; // no context == not applicable for the room
                     if (context.event.getType() !== "m.room.message") return false;
                     if (context.event.isRedacted()) return false;
@@ -77,8 +78,11 @@ module.exports = React.createClass({
             return (<div>{ _t("No pinned messages.") }</div>);
         }
 
-        return this.state.pinned.map(context => {
-            return (<PinnedEventTile key={context.event.getId()} mxRoom={this.props.room} mxEvent={context.event} onUnpinned={this._updatePinnedMessages} />);
+        return this.state.pinned.map((context) => {
+            return (<PinnedEventTile key={context.event.getId()}
+                                     mxRoom={this.props.room}
+                                     mxEvent={context.event}
+                                     onUnpinned={this._updatePinnedMessages} />);
         });
     },