diff --git a/lookup.html b/lookup.html
index e1a11c0..22e955e 100644
--- a/lookup.html
+++ b/lookup.html
@@ -27,8 +27,14 @@
     let armoredPubkey = await hkp.lookup(options).catch((err) => {document.getElementById("result").value = err.message;document.getElementById("progressbar").className = "progress-bar bg-danger";});
     var pubkey = await openpgp.key.readArmored(armoredPubkey).catch((err) => {document.getElementById("result").value = err.message;document.getElementById("progressbar").className = "progress-bar bg-danger";});
     console.log(pubkey);
-    document.getElementById("userid").value = pubkey.keys[0].users[0].userId.userid;
-    document.getElementById("result").value = armoredPubkey;
+    if (pubkey) {
+      document.getElementById("userid").value = pubkey.keys[0].users[0].userId.userid;
+      document.getElementById("result").value = armoredPubkey;
+      document.getElementById("progressbar").className = "progress-bar bg-success";
+    } else {
+      document.getElementById("result").value = 'Error, please try again.';
+      document.getElementById("progressbar").className = "progress-bar bg-danger";
+    }
   }
   </script>
   <style>
@@ -87,7 +93,7 @@
           <div class="form-group progress">
             <div class="progress-bar" role="progressbar" id="progressbar" style="width: 100%"></div>
           </div>
-          <button type="button" onclick="encryptDecryptFunction()" class="btn btn-primary">Decrypt</button>
+          <button type="button" onclick="encryptDecryptFunction()" class="btn btn-primary">Lookup</button>
         </div>
         <div class="col-sm">
           <div class="form-group">