diff --git a/data/web/admin.php b/data/web/admin.php
index 07c0f7e6..e203f0d7 100644
--- a/data/web/admin.php
+++ b/data/web/admin.php
@@ -428,7 +428,7 @@ $tfa_data = get_tfa();
             <input class="form-control input-sm" name="dkim_selector" value="dkim" required>
           </div>
           <div class="form-group">
-            <label for="private_key_file"><?=$lang['admin']['private_key'];?>:</label>
+            <label for="private_key_file"><?=$lang['admin']['private_key'];?>: (RSA PKCS#8)</label>
             <textarea class="form-control input-sm" rows="10" name="private_key_file" id="private_key_file" required placeholder="-----BEGIN RSA KEY-----"></textarea>
           </div>
           <button class="btn btn-sm btn-default" data-action="add_item" data-id="dkim_import" data-api-url='add/dkim_import' data-api-attr='{}' href="#"><span class="glyphicon glyphicon-plus"></span> <?=$lang['admin']['import'];?></button>
diff --git a/data/web/inc/functions.dkim.inc.php b/data/web/inc/functions.dkim.inc.php
index 819afd25..f4bfd997 100644
--- a/data/web/inc/functions.dkim.inc.php
+++ b/data/web/inc/functions.dkim.inc.php
@@ -123,7 +123,7 @@ function dkim($_action, $_data = null) {
         try {
           $redis->hSet('DKIM_PUB_KEYS', $to_domain, $from_domain_dkim['pubkey']);
           $redis->hSet('DKIM_SELECTORS', $to_domain, $from_domain_dkim['dkim_selector']);
-          $redis->hSet('DKIM_PRIV_KEYS', $from_domain_dkim['dkim_selector'] . '.' . $to_domain, trim($from_domain_dkim['privkey']));
+          $redis->hSet('DKIM_PRIV_KEYS', $from_domain_dkim['dkim_selector'] . '.' . $to_domain, base64_decode(trim($from_domain_dkim['privkey'])));
         }
         catch (RedisException $e) {
           $_SESSION['return'][] = array(
@@ -307,4 +307,4 @@ function dkim($_action, $_data = null) {
       }
     break;
   }
-}
\ No newline at end of file
+}