diff --git a/mem0_bridge.py b/mem0_bridge.py
index 15e71ea..2aa273a 100644
--- a/mem0_bridge.py
+++ b/mem0_bridge.py
@@ -311,7 +311,7 @@ def ui_index():
         short_id = e["id"][:8]
         card = (
             f'<div class="entry-header"><span class="entry-id">{_html.escape(short_id)}</span>'
-            '<button class="copy-btn" type="button" onclick="return copyText(\'{_html.escape(e["id"])}\')">copy id</button>'
+            f'<button class="copy-btn" type="button" onclick="return copyText(\'{_html.escape(e["id"])}\')">copy id</button>'
             f'<form method="post" action="/-/delete/{_html.escape(e["id"])}" style="margin:0" onsubmit="return confirm(\'Delete this entry?\')">'
             '<button class="del-btn" type="submit">delete</button></form></div>'
             f'<div class="entry-text">{rendered}</div>'