diff --git a/src/components/structures/RightPanel.js b/src/components/structures/RightPanel.js
index da1e711741..82933c7449 100644
--- a/src/components/structures/RightPanel.js
+++ b/src/components/structures/RightPanel.js
@@ -274,7 +274,7 @@ module.exports = React.createClass({
             let userIsInRoom;
             if (room) {
                 const numMembers = room.getJoinedMembers().length;
-                membersTitle = _t('%(numMembers)s Members', { numMembers });
+                membersTitle = _t('%(count)s Members', { count: numMembers });
                 membersBadge = <div title={membersTitle}>{ formatCount(numMembers) }</div>;
                 userIsInRoom = room.hasMembershipState(this.context.matrixClient.credentials.userId, 'join');
             }
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 52244e099e..84bac98f27 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -158,7 +158,8 @@
     "Register": "Register",
     "Invite to this room": "Invite to this room",
     "Members": "Members",
-    "%(numMembers)s Members": "%(numMembers)s Members",
+    "%(count)s Members|other": "%(count)s Members",
+    "%(count)s Members|one": "%(count)s Member",
     "Files": "Files",
     "Notifications": "Notifications",
     "Rooms": "Rooms",