diff --git a/src/Controller/ViewerController.php b/src/Controller/ViewerController.php
index 7966d9f7..06ff90d4 100644
--- a/src/Controller/ViewerController.php
+++ b/src/Controller/ViewerController.php
@@ -129,18 +129,18 @@ protected function getViewerRender(Media $media, string $wopi_client, bool $can_
 
         $id = $media->id();
 
-        $ttl = $this->coolJwt->getAccessTokenTtl();
-        if ($ttl == 0) {
-            $ttl = 86400;
+        $ttl_seconds = $this->coolJwt->getTtlSeconds();
+        if ($ttl_seconds == 0) {
+            $ttl_seconds = 86400;
         }
-        $access_token = $this->coolJwt->tokenForFileId($id, $ttl, $can_write);
+        $access_token = $this->coolJwt->tokenForFileId($id, $ttl_seconds, $can_write);
 
         $render_array = [
             '#wopiClient' => $wopi_client,
             '#wopiSrc' => urlencode($wopi_base . '/cool/wopi/files/' . $id),
             '#accessToken' => $access_token,
-            // It's in usec. The JWT is in sec.
-            '#accessTokenTtl' => $ttl * 1000,
+            // Convert to milliseconds.
+            '#accessTokenTtl' => $ttl_seconds * 1000,
             '#allowfullscreen' => $allowfullscreen ? 'allowfullscreen' : '',
         ];
         if ($options) {
diff --git a/src/Service/CoolJwt.php b/src/Service/CoolJwt.php
index 83031917..277a412f 100644
--- a/src/Service/CoolJwt.php
+++ b/src/Service/CoolJwt.php
@@ -130,7 +130,7 @@ public function tokenForFileId($id, $ttl, $can_write = FALSE) {
      * @return int
      *   Token TTL in seconds.
      */
-    public function getAccessTokenTtl() {
+    public function getTtlSeconds() {
         $default_config = $this->configFactory->get('collabora_online.settings');
         $ttl = $default_config->get('cool')['access_token_ttl'];