diff --git a/src/components/views/rooms/ReadReceiptMarker.js b/src/components/views/rooms/ReadReceiptMarker.js
index 5dd62ff6b7..d5436efc76 100644
--- a/src/components/views/rooms/ReadReceiptMarker.js
+++ b/src/components/views/rooms/ReadReceiptMarker.js
@@ -186,8 +186,10 @@ module.exports = React.createClass({
         let title;
         if (this.props.timestamp) {
             title = _t(
-                "Seen by %(userName)s at %(dateTime)s",
-                {userName: this.props.member.userId, dateTime: formatDate(new Date(this.props.timestamp), this.props.showTwelveHour)},
+                "Seen by %(displayName)s (%(userName)s) at %(dateTime)s",
+                {displayName: this.props.member.name,
+                 userName: this.props.member.userId,
+                 dateTime: formatDate(new Date(this.props.timestamp), this.props.showTwelveHour)},
             );
         }
 
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 6139ac2a91..2be4bf2e48 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -360,7 +360,7 @@
     "Offline": "Offline",
     "Unknown": "Unknown",
     "Replying": "Replying",
-    "Seen by %(userName)s at %(dateTime)s": "Seen by %(userName)s at %(dateTime)s",
+    "Seen by %(displayName)s (%(userName)s) at %(dateTime)s": "Seen by %(displayName)s (%(userName)s) at %(dateTime)s",
     "No rooms to show": "No rooms to show",
     "Unnamed room": "Unnamed room",
     "World readable": "World readable",