diff --git a/core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php b/core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php
index 28e6eb5dc609..fef7d4775b4d 100644
--- a/core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php
+++ b/core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php
@@ -312,7 +312,7 @@ JSON;
             "name" => $name,
             "dist" => [
               "type" => "path",
-              "url" => $path,
+              "url" => $full_path,
             ],
             "version" => $version,
           ],