diff --git a/vendor/magento/module-aws-s3/Driver/AwsS3.php b/vendor/magento/module-aws-s3/Driver/AwsS3.php
index a42b0c926399..95c62a0b17a2 100644
--- a/vendor/magento/module-aws-s3/Driver/AwsS3.php
+++ b/vendor/magento/module-aws-s3/Driver/AwsS3.php
@@ -252,8 +252,9 @@ public function deleteDirectory($path): bool
 
     /**
      * @inheritDoc
+     * @return bool|int
      */
-    public function filePutContents($path, $content, $mode = null): int
+    public function filePutContents($path, $content, $mode = null)
     {
         $path = $this->normalizeRelativePath($path, true);
         $config = self::CONFIG;
@@ -267,10 +268,11 @@ public function filePutContents($path, $content, $mode = null): int
 
         try {
             $this->adapter->write($path, $content, new Config($config));
-            return $this->adapter->fileSize($path)->fileSize();
+            return ($this->adapter->fileSize($path)->fileSize() !== null)??true;
+
         } catch (\League\Flysystem\FilesystemException | UnableToRetrieveMetadata $e) {
             $this->logger->error($e->getMessage());
-            return 0;
+            return false;
         }
     }