diff --git a/popup.html b/popup.html
index 2cbe4ceb..26eed4ab 100644
--- a/popup.html
+++ b/popup.html
@@ -85,7 +85,7 @@
             </p>
     
             <div>
-              <button id="sponsorStart" class="greenButton popupElement">__MSG_sponsorStart__/button>
+              <button id="sponsorStart" class="greenButton popupElement">__MSG_sponsorStart__</button>
             </div>
 
             <sub class="popupElement">__MSG_popupHint__</sub>