diff --git a/src/components/views/groups/GroupMemberTile.js b/src/components/views/groups/GroupMemberTile.js
index 68513cf0db..f99d5c768c 100644
--- a/src/components/views/groups/GroupMemberTile.js
+++ b/src/components/views/groups/GroupMemberTile.js
@@ -60,6 +60,7 @@ export default createReactClass({
 
         const av = (
             <BaseAvatar
+                aria-hidden="true"
                 name={this.props.member.displayname || this.props.member.userId}
                 idName={this.props.member.userId}
                 width={36} height={36}
diff --git a/src/components/views/rooms/EntityTile.js b/src/components/views/rooms/EntityTile.js
index fd92cb8e57..b6d2bce785 100644
--- a/src/components/views/rooms/EntityTile.js
+++ b/src/components/views/rooms/EntityTile.js
@@ -175,7 +175,8 @@ const EntityTile = createReactClass({
 
         const BaseAvatar = sdk.getComponent('avatars.BaseAvatar');
 
-        const av = this.props.avatarJsx || <BaseAvatar name={this.props.name} width={36} height={36} />;
+        const av = this.props.avatarJsx ||
+            <BaseAvatar name={this.props.name} width={36} height={36} aria-hidden="true" />;
 
         // The wrapping div is required to make the magic mouse listener work, for some reason.
         return (
diff --git a/src/components/views/rooms/MemberTile.js b/src/components/views/rooms/MemberTile.js
index 649e1b4277..1f1d8389b1 100644
--- a/src/components/views/rooms/MemberTile.js
+++ b/src/components/views/rooms/MemberTile.js
@@ -208,7 +208,7 @@ export default createReactClass({
         }
 
         const av = (
-            <MemberAvatar member={member} width={36} height={36} />
+            <MemberAvatar member={member} width={36} height={36} aria-hidden="true" />
         );
 
         if (member.user) {