diff --git a/video/ard_download_button.user.js b/video/ard_download_button.user.js
index 3449715..5660975 100644
--- a/video/ard_download_button.user.js
+++ b/video/ard_download_button.user.js
@@ -2,7 +2,7 @@
 // @name           ARD download button
 // @description    Adds a download-button for every video on ardmediathek.de.
 // @description:de Fügt einen download-button für jedes video auf ardmediathek.de hinzu.
-// @version        2019.06.22.9
+// @version        2019.06.22.10
 // @author         tastytea
 // @copyright      2019, tastytea (https://tastytea.de/)
 // @license        GPL-3.0-only
@@ -16,19 +16,13 @@
 // @inject-into    content
 // ==/UserScript==
 
-let interval;
-let counter = 0;
-
 function main()
 {
-    // Stop if button is already there or after 10 tries.
-    if (document.getElementById("tastytea_downloadbutton") !== null
-        || counter >= 10)
+    // Stop if button is already there.
+    if (document.getElementById("tastytea_downloadbutton") !== null)
     {
-        clearInterval(interval);
         return;
     }
-    ++counter;
 
     const url = get_url();
     if (url === null)
@@ -82,4 +76,4 @@ function add_button(url)
     root.appendChild(div);
 }
 
-interval = setInterval(main, 2000);
+setInterval(main, 2000); // The script is not restarted when clicking on a link.