diff --git a/core/modules/system/tests/Drupal/system/Tests/Condition/RequestPathConditionTest.php b/core/modules/system/tests/Drupal/system/Tests/Condition/RequestPathConditionTest.php
index 72af748..0266406 100644
--- a/core/modules/system/tests/Drupal/system/Tests/Condition/RequestPathConditionTest.php
+++ b/core/modules/system/tests/Drupal/system/Tests/Condition/RequestPathConditionTest.php
@@ -43,7 +43,7 @@ public function testConditions() {
       ->getMock();
 
     // Create an translation manager stub.
-    $translation_manager = $this->getMockBuilder('Drupal\Core\StringTranslation')
+    $translation_manager = $this->getMockBuilder('Drupal\Core\StringTranslation\TranslationInterface')
       ->getMock();
 
     $system_path_map = array(