diff --git a/public/index.html b/public/index.html
index 28a5610..748c57b 100644
--- a/public/index.html
+++ b/public/index.html
@@ -13,9 +13,10 @@
   <div class="container jumbotron">
     <form class="needs-validation" id="form">
     <label for="config" class="form-label">Your fqdn:</label>
-    <textarea name="fqdn" id="fqdn" class="form-control" rows="1">
-      your.domain.com
-    </textarea>
+    <input class="form-control" type="text" name="fqdn" id="fqdn" value="your.domain.com">
+    <br>
+    <label for="config" class="form-label">(Optional) Your issuer prod/staging:</label>
+    <input class="form-control" type="text" name="issuer" id="issuer" value="">
     <div class="invalid-feedback"><pre id="config-validation"></pre></div>
     <br><br>
 
diff --git a/src/main/cljs/dda/c4k_keycloak/browser.cljs b/src/main/cljs/dda/c4k_keycloak/browser.cljs
index c6c7eb7..7fb225d 100644
--- a/src/main/cljs/dda/c4k_keycloak/browser.cljs
+++ b/src/main/cljs/dda/c4k_keycloak/browser.cljs
@@ -13,6 +13,17 @@
     (-> js/document
       (.getElementById "fqdn")))
 
+(defn issuer []
+  (-> js/document
+      (.getElementById "issuer")))
+
+(defn issuer-from-document []
+  (let [issuer-str (-> (issuer)
+                       (.-value))]
+    (if (= issuer-str "")
+      :staging
+      (keyword issuer-str))))
+
 (defn auth []
   (-> js/document
       (.getElementById "auth")))
@@ -22,9 +33,9 @@
       (.getElementById "form")))
 
 (defn config-from-document []
-  {:fqdn
-   (-> (fqdn)
-       (.-value))})
+   {:fqdn (-> (fqdn)
+              (.-value))
+    :issuer (issuer-from-document)})
 
 (defn auth-from-document []
   (-> (auth)
@@ -45,11 +56,12 @@
       (set! validation-result))
   (-> (fqdn)
       (.setCustomValidity validation-result))
+  (-> (issuer)
+      (.setCustomValidity validation-result))
   validation-result)
 
 (defn validate-config! []
-  (let [config-str (config-from-document)
-        config-map (edn/read-string config-str)]
+  (let [config-map (config-from-document)]
     (if (s/valid? core/config? config-map)
       (set-config-validation-result! "")
       (set-config-validation-result!
@@ -73,7 +85,6 @@
 (defn validate-auth! []
   (let [auth-str (auth-from-document)
         auth-map (edn/read-string auth-str)]
-    (print-debug (s/valid? core/auth? auth-map))
     (if (s/valid? core/auth? auth-map)
       (set-auth-validation-result! "")
       (set-auth-validation-result!
@@ -97,4 +108,9 @@
       (.addEventListener "blur"
                          #(do (validate-config!)
                               (validate-auth!)
-                              (set-validated!)))))
+                              (set-validated!))))
+  (-> (issuer)
+      (.addEventListener "blur"
+                         #(do (validate-config!)
+                              (validate-auth!)
+                              (set-validated!)))))
\ No newline at end of file