diff --git a/backend/static/js/pages/poison.js b/backend/static/js/pages/poison.js
index 5f2559a..7919397 100644
--- a/backend/static/js/pages/poison.js
+++ b/backend/static/js/pages/poison.js
@@ -114,13 +114,17 @@ window.Page_poison = (() => {
     const mapEl = document.getElementById('poison-map');
     if (!mapEl || !window.L || _map) return;
 
-    _map = L.map('poison-map', { zoomControl: true })
+    _map = L.map('poison-map', { zoomControl: true, attributionControl: false })
             .setView([51.1657, 10.4515], 6); // Deutschland-Mitte
 
     L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
-      attribution : '© <a href="https://openstreetmap.org">OpenStreetMap</a>',
-      maxZoom     : 19,
+      maxZoom: 19,
     }).addTo(_map);
+
+    // OSM-Pflichtangabe ohne externe Links
+    L.control.attribution({ prefix: false })
+      .addAttribution('© OpenStreetMap-Mitwirkende')
+      .addTo(_map);
   }
 
   // ----------------------------------------------------------