diff --git a/src/Manifest/ManifestManager.php b/src/Manifest/ManifestManager.php
index 23a52495..e98cdf36 100644
--- a/src/Manifest/ManifestManager.php
+++ b/src/Manifest/ManifestManager.php
@@ -106,7 +106,7 @@ private function loadManifest(string $fileName, string $baseDir): array
      */
     private function internalWriteManifest(string $manifestAbsolutePath, array $manifestContents): void
     {
-        JsonFileHelper::write($manifestAbsolutePath, $manifestContents, false);
+        JsonFileHelper::write($manifestAbsolutePath, $manifestContents);
     }
 
     /**