diff --git a/app.js b/app.js
index 0367578..24f2ebc 100644
--- a/app.js
+++ b/app.js
@@ -128,7 +128,7 @@
       $$('button').map(function ($el) { $el.disabled = true; });
 
       var opts = {
-        jwk: JSON.parse($('textarea[name="JWK"]').value),
+        jwk: JSON.parse($('textarea[name="jwk"]').value),
         claims: {
           exp: "1h",
           iss: document.getElementById(`-acmeDomains`).value
@@ -165,7 +165,7 @@
 
     $('.js-generate').hidden = false;
     $('.js-sign').hidden = false;
-    $('textarea[name="JWK"]').value = JSON.stringify({
+    $('textarea[name="jwk"]').value = JSON.stringify({
       "crv": "P-256",
       "d": "LImWxqqTHbP3LHQfqscDSUzf_uNePGqf9U6ETEcO5Ho",
       "kty": "EC",
diff --git a/index.html b/index.html
index 27d96b9..8afe337 100644
--- a/index.html
+++ b/index.html
@@ -97,9 +97,9 @@
       <input class="js-domains" type="text" id="-acmeDomains" value="example.com www.example.com">
     </div>
     <div>
-      <label for="pem">JWK:</label>
+      <label for="jwk">JWK:</label>
       <br>
-      <textarea id="pem" name="pem"></textarea>
+      <textarea id="jwk" name="jwk"></textarea>
     </div>
     <button class="js-sign" hidden>Sign</button>
   </form>