1 files changed, 2 insertions, 1 deletions
diff --git a/src/Diactoros/UploadedFileFactory.php b/src/Diactoros/UploadedFileFactory.php
index 4f09fb23..45773287 100644
--- a/src/Diactoros/UploadedFileFactory.php
+++ b/src/Diactoros/UploadedFileFactory.php
@@ -27,9 +27,10 @@ final class UploadedFileFactory implements UploadedFileFactoryInterface
         string $clientMediaType = null
     ): UploadedFileInterface {
         if ($size === null) {
-            $size = $stream->getSize();
+            $size = (int) $stream->getSize();
         }
 
+        /** @var resource $stream */
         return new UploadedFile($stream, $size, $error, $clientFilename, $clientMediaType);
     }
 }