diff --git a/src/GoogleCloudStorage/GoogleCloudStorageAdapter.php b/src/GoogleCloudStorage/GoogleCloudStorageAdapter.php
index e9614589c..59ae20805 100644
--- a/src/GoogleCloudStorage/GoogleCloudStorageAdapter.php
+++ b/src/GoogleCloudStorage/GoogleCloudStorageAdapter.php
@@ -305,12 +305,15 @@ public function storageObjectToStorageAttributes(StorageObject $object): Storage
         return new FileAttributes($path, $fileSize, null, $lastModified, $mimeType, $info);
     }
 
-    public function listContents(string $path, bool $deep): iterable
+    public function listContents(string $path, bool $deep, array $options = []): iterable
     {
+        $asPrefix = $options['listContentsAsPrefix'] ?? false;
+
         $prefixedPath = $this->prefixer->prefixPath($path);
-        $prefixes = $options = [];
 
-        if ($prefixedPath !== '') {
+        if ($asPrefix) {
+            $options = ['prefix' => $prefixedPath];
+        } elseif ($prefixedPath !== '') {
             $options = ['prefix' => sprintf('%s/', rtrim($prefixedPath, '/'))];
         }