diff --git a/res/css/views/right_panel/_TimelineCard.scss b/res/css/views/right_panel/_TimelineCard.scss
index a277b9ce6fa..1b5a559f32a 100644
--- a/res/css/views/right_panel/_TimelineCard.scss
+++ b/res/css/views/right_panel/_TimelineCard.scss
@@ -75,6 +75,7 @@ limitations under the License.
 
             .mx_MessageTimestamp {
                 inset-inline: auto 0;
+                font-size: $font-12px;
             }
 
             .mx_ReactionsRow {