diff --git a/app/stiftung/templatetags/help_tags.py b/app/stiftung/templatetags/help_tags.py
index 74661a3..83ef04a 100644
--- a/app/stiftung/templatetags/help_tags.py
+++ b/app/stiftung/templatetags/help_tags.py
@@ -34,6 +34,17 @@ def help_box_exists(page_key):
     return HelpBox.get_help_for_page(page_key) is not None
 
 
+@register.filter
+def get_item(dictionary, key):
+    """Lookup a key in a dictionary, trying int conversion for numeric keys."""
+    if dictionary is None:
+        return None
+    result = dictionary.get(key)
+    if result is None and isinstance(key, str) and key.isdigit():
+        result = dictionary.get(int(key))
+    return result
+
+
 @register.filter
 def markdown_to_html(text):
     """Konvertiere Markdown-Text zu HTML"""
diff --git a/app/templates/stiftung/nachweis_board.html b/app/templates/stiftung/nachweis_board.html
index 6de8cba..4ee5651 100644
--- a/app/templates/stiftung/nachweis_board.html
+++ b/app/templates/stiftung/nachweis_board.html
@@ -1,5 +1,5 @@
 {% extends 'base.html' %}
-{% load static %}
+{% load static help_tags %}
 
 {% block title %}Nachweis-Board – Stiftungsverwaltung{% endblock %}