diff --git a/src/components/views/elements/Reply.js b/src/components/views/elements/Reply.js
index ff2a6fc36a..c513535e85 100644
--- a/src/components/views/elements/Reply.js
+++ b/src/components/views/elements/Reply.js
@@ -172,7 +172,7 @@ export default class Reply extends React.Component {
             </blockquote>;
         } else if (this.state.loading) {
             const Spinner = sdk.getComponent("elements.Spinner");
-            header = <Spinner />;
+            header = <Spinner w={16} h={16} />;
         }
 
         const EventTile = sdk.getComponent('views.rooms.EventTile');