diff --git a/res/css/views/right_panel/_TimelineCard.scss b/res/css/views/right_panel/_TimelineCard.scss
index 63048511d5..6d608182cb 100644
--- a/res/css/views/right_panel/_TimelineCard.scss
+++ b/res/css/views/right_panel/_TimelineCard.scss
@@ -93,6 +93,7 @@ limitations under the License.
 
             .mx_MessageTimestamp {
                 inset-inline: auto 0;
+                font-size: $font-12px;
             }
 
             .mx_ReactionsRow {