diff --git a/src/Command/GenerateManifestCommand.php b/src/Command/GenerateManifestCommand.php
index 0b735ab..2724c90 100644
--- a/src/Command/GenerateManifestCommand.php
+++ b/src/Command/GenerateManifestCommand.php
@@ -54,8 +54,8 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         }
 
         try {
-            if (! $this->filesystem->exists($this->dest['manifest_filepath'])) {
-                $this->filesystem->mkdir($this->dest['manifest_filepath']);
+            if (! $this->filesystem->exists(dirname($this->dest['manifest_filepath']))) {
+                $this->filesystem->mkdir(dirname($this->dest['manifest_filepath']));
             }
             file_put_contents(
                 (string) $this->dest['manifest_filepath'],