diff --git a/core/modules/contact/src/Entity/ContactForm.php b/core/modules/contact/src/Entity/ContactForm.php
index 4e848f5..14171d2 100644
--- a/core/modules/contact/src/Entity/ContactForm.php
+++ b/core/modules/contact/src/Entity/ContactForm.php
@@ -185,13 +185,13 @@ public function toArray() {
     if ($this->url) {
       $properties['route'] = [
         'route_name' => $this->url->getRouteName(),
-        'route_parameters' => $this->url->getRouteParameters(),
+        'route_params' => $this->url->getRouteParameters(),
       ];
     }
     else {
       $properties['route'] = [
         'route_name' => '<front>',
-        'route_parameters' => [],
+        'route_params' => [],
       ];
     }
     return $properties;