diff --git a/src/Lib/ValueObjects/FileStream.php b/src/Lib/ValueObjects/FileStream.php
index 0c5de79..1755039 100644
--- a/src/Lib/ValueObjects/FileStream.php
+++ b/src/Lib/ValueObjects/FileStream.php
@@ -20,8 +20,11 @@ final readonly class FileStream
             throw new UnexpectedStorageException('Resource is not a valid stream.');
         }
 
-        if (! stream_get_meta_data($this->resource)) {
-            throw new UnexpectedStorageException('Unable to read stream metadata.');
+        $meta = stream_get_meta_data($this->resource);
+        $mode = $meta['mode'];
+
+        if (! str_contains($mode, 'r') && ! str_contains($mode, '+')) {
+            throw new UnexpectedStorageException('Stream is not readable.');
         }
     }
 
@@ -66,7 +69,7 @@ final readonly class FileStream
         }
 
         $meta = stream_get_meta_data($this->resource);
-        if ($meta['seekable'] ?? false) {
+        if ($meta['seekable']) {
             rewind($this->resource);
         }