diff --git a/src/components/views/rooms/ReplyTile.tsx b/src/components/views/rooms/ReplyTile.tsx
index f6a4bd7a18..1b9f3e2fac 100644
--- a/src/components/views/rooms/ReplyTile.tsx
+++ b/src/components/views/rooms/ReplyTile.tsx
@@ -108,8 +108,7 @@ export default class ReplyTile extends React.PureComponent<IProps> {
 
         const EventTileType = sdk.getComponent(tileHandler);
 
-        const classes = classNames({
-            mx_ReplyTile: true,
+        const classes = classNames("mx_ReplyTile", {
             mx_ReplyTile_info: isInfoMessage,
         });