diff --git a/res/css/views/right_panel/_PinnedMessagesCard.scss b/res/css/views/right_panel/_PinnedMessagesCard.scss
index ddfd131c8b..b2c0a132d4 100644
--- a/res/css/views/right_panel/_PinnedMessagesCard.scss
+++ b/res/css/views/right_panel/_PinnedMessagesCard.scss
@@ -87,4 +87,8 @@ limitations under the License.
             }
         }
     }
+
+    .mx_EventTile_body {
+        word-break: break-word;
+    }
 }