diff --git a/frontend/templates/troubleshooting/components/TagManager.tsx b/frontend/templates/troubleshooting/components/TagManager.tsx
index 6178541b..8c34bd5d 100644
--- a/frontend/templates/troubleshooting/components/TagManager.tsx
+++ b/frontend/templates/troubleshooting/components/TagManager.tsx
@@ -53,6 +53,10 @@ function MatomoScript() {
       }
    })();
 
+   if (!configUrl) {
+      return null;
+   }
+
    const scriptTag = `
         var c = "${configUrl}";