diff --git a/dev/src/Command/AddComponentCommand.php b/dev/src/Command/AddComponentCommand.php
index f6cb24fe85b3..98dd8cdb941a 100644
--- a/dev/src/Command/AddComponentCommand.php
+++ b/dev/src/Command/AddComponentCommand.php
@@ -204,7 +204,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         ksort($repoMetadataFull);
         file_put_contents(
             $repoMetadataFullPath,
-            json_encode($repoMetadataFull, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
+            json_encode($repoMetadataFull, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES) . PHP_EOL
         );
 
         // Write composer file