diff --git a/src/skins/vector/css/matrix-react-sdk/views/rooms/EventTile.css b/src/skins/vector/css/matrix-react-sdk/views/rooms/EventTile.css
index 927a4f0e09..432bdc2851 100644
--- a/src/skins/vector/css/matrix-react-sdk/views/rooms/EventTile.css
+++ b/src/skins/vector/css/matrix-react-sdk/views/rooms/EventTile.css
@@ -55,6 +55,7 @@ limitations under the License.
     color: #454545;
     opacity: 0.5;
     font-size: 14px;
+    display: block; /* anti-zalgo, with overflow hidden */
     overflow-y: hidden;
     cursor: pointer;
     padding-left: 65px; /* left gutter */