diff --git a/apps/files_external/lib/Lib/Storage/Google.php b/apps/files_external/lib/Lib/Storage/Google.php
index 2211686055..0a88ccc8d4 100644
--- a/apps/files_external/lib/Lib/Storage/Google.php
+++ b/apps/files_external/lib/Lib/Storage/Google.php
@@ -386,6 +386,19 @@ class Google extends \OC\Files\Storage\Common {
 	}
 
 	public function rename($path1, $path2) {
+		// Avoid duplicate files with the same name
+                $testRegex = '/^.+\.ocTransferId\d+\.part$/';
+                if (preg_match($testRegex, $path1)) {
+                        if ($this->is_file($path2)) {
+                                $testFile2 = $this->getDriveFile($path2);
+                                if ($testFile2) {
+                                        $this->service->files->trash($testFile2->getId());
+                                        \OCP\Util::writeLog('files_external', 'trash file '.$path2.
+                                        ' for renaming '.$path1.' on Google Drive.', \OCP\Util::DEBUG);
+                                }
+                        }
+                }
+		
 		$file = $this->getDriveFile($path1);
 		if ($file) {
 			$newFile = $this->getDriveFile($path2);