diff --git a/res/css/views/rooms/_EventTile.pcss b/res/css/views/rooms/_EventTile.pcss
index b07a15df1f..ca3fb537dd 100644
--- a/res/css/views/rooms/_EventTile.pcss
+++ b/res/css/views/rooms/_EventTile.pcss
@@ -759,6 +759,12 @@ $left-gutter: 64px;
         }
         */
 
+        /* Support arbitrarily large marker numbers */
+        ol {
+            list-style-position: inside;
+            padding-inline-start: 0.5em;
+        }
+
         /* Override nested lists being lower-roman */
         ol ol,
         ul ol {