diff --git a/lnbits/extensions/watchonly/templates/watchonly/index.html b/lnbits/extensions/watchonly/templates/watchonly/index.html
index 982f9041..43ad9556 100644
--- a/lnbits/extensions/watchonly/templates/watchonly/index.html
+++ b/lnbits/extensions/watchonly/templates/watchonly/index.html
@@ -177,7 +177,7 @@
           size="ms"
           icon="launch"
           type="a"
-          :href="mempoolHostname + '/address/' + currentAddress.address"
+          :href="'https://' + mempoolHostname + '/address/' + currentAddress.address"
           target="_blank"
         ></q-btn>
       </p>