diff --git a/vimeo.php b/vimeo.php
index b845db2..2722436 100644
--- a/vimeo.php
+++ b/vimeo.php
@@ -493,7 +493,7 @@ public function upload($file_path, $use_multiple_chunks = false, $chunk_temp_dir
         ));
 
         // Clean up
-        if (count($chunks) > 1) {
+        if ($use_multiple_chunks) {
             foreach ($chunks as $chunk) {
                 unlink($chunk['file']);
             }