diff --git a/themes/fid_bbi/scss/compiled.scss b/themes/fid_bbi/scss/compiled.scss
index fc525853f529363f0640264986e59c79a1c9c297..919ae9fa311d9dfd8cdc4a6581a0977f96e6c851 100644
--- a/themes/fid_bbi/scss/compiled.scss
+++ b/themes/fid_bbi/scss/compiled.scss
@@ -614,3 +614,11 @@ button.search-filter-toggle {
   }
 }
 
+/* #15914 opt-out iframe for user tracking*/
+#matomo {
+  border: 0;
+  margin-left:-.5rem;
+  padding: 0;
+  width: 100%;
+}
+
diff --git a/themes/fid_bbi/templates/fid/user/policy-de.phtml b/themes/fid_bbi/templates/fid/user/policy-de.phtml
index 0424761e7bd653229603bddab235895a61798395..2bf8f02fa3e60b85aaf86fd8e973a1d4bc371dc6 100644
--- a/themes/fid_bbi/templates/fid/user/policy-de.phtml
+++ b/themes/fid_bbi/templates/fid/user/policy-de.phtml
@@ -491,10 +491,17 @@
           Hier können Sie das Tracking durch Matomo ein- oder ausschalten, sofern diese Einstellung nicht bereits
           automatisch durch die Einstellungen Ihres Browsers bzw. eines Adblockers gesteuert wird.<br/>
 
-          <iframe style="border: 0; height: 150px; width: 100%; margin-left:-.5rem" id="piwk" name="piwk"
-                  onLoad="addCSS()"
-                  src="https://piwik.ub.uni-leipzig.de/index.php?module=CoreAdminHome&action=optOut&language={$userLang}&idSite=6"></iframe>
-
+            <?= $this->context($this)->renderInContext(
+              'matomo.phtml',
+              [
+                'backgroundColor' => 'ffffff',
+                'fontColor' => '8A141A',
+                'fontFamily' => urlencode("\"Helvetica Neue\",Helvetica,Roboto,Arial,sans-serif"),
+                'fontSize' => '15px',
+                'language' => $this->layout()->userLang
+              ]);
+            ?>
+          <br/>
           Nähere Informationen zu den Privatsphäreeinstellungen der Matomo Software finden Sie
           unter folgendem Link: <a href="https://matomo.org/docs/privacy/">https://matomo.org/docs/privacy/</a>.<br/>
         </p>
@@ -775,4 +782,4 @@
     </li>
   </ol>
   <br/>
-</div>
+</div>
\ No newline at end of file
diff --git a/themes/fid_bbi/templates/fid/user/policy-en.phtml b/themes/fid_bbi/templates/fid/user/policy-en.phtml
index a1ad326d367161cb2a5d64b3e1a19a3777484744..b9915638ee8a34ebd2fd8a4e2698556727b46615 100644
--- a/themes/fid_bbi/templates/fid/user/policy-en.phtml
+++ b/themes/fid_bbi/templates/fid/user/policy-en.phtml
@@ -424,10 +424,19 @@
             again.
             More information about the privacy settings of the Matomo software can be found under the following link:
             https://matomo.org/docs/privacy/. Here you can switch tracking on or off, if this setting is not already
-            automatically controlled by the settings of your browser or an ad-blocker.
-            <iframe style="border: 0; height: 150px; width: 100%; margin-left:-.5rem" id="piwk" name="piwk"
-                    onLoad="addCSS()"
-                    src="https://piwik.ub.uni-leipzig.de/index.php?module=CoreAdminHome&action=optOut&language={$userLang}&idSite=6"></iframe>
+            automatically controlled by the settings of your browser or an ad-blocker.<br/>
+
+              <?= $this->context($this)->renderInContext(
+                'matomo.phtml',
+                [
+                  'backgroundColor' => 'ffffff',
+                  'fontColor' => '8A141A',
+                  'fontFamily' => urlencode("\"Helvetica Neue\",Helvetica,Roboto,Arial,sans-serif"),
+                  'fontSize' => '15px',
+                  'language' => $this->layout()->userLang
+                ]);
+              ?>
+            <br/>
           </p>
         </li>
       </ol>