diff --git a/ietf/liaisons/widgets.py b/ietf/liaisons/widgets.py
index 74368e83f2b..48db8af0a31 100644
--- a/ietf/liaisons/widgets.py
+++ b/ietf/liaisons/widgets.py
@@ -26,7 +26,9 @@ def render(self, name, value, **kwargs):
html += '%s' % conditional_escape(i)
required_str = 'Please fill in %s to attach a new file' % conditional_escape(self.required_label)
html += '%s' % conditional_escape(required_str)
- html += '' % conditional_escape(self.label)
+ html += ''.format(
+ f"id_{name}", conditional_escape(self.label)
+ )
return mark_safe(html)