diff --git a/lib/gdriveWrapper.js b/lib/gdriveWrapper.js
index <HASH>..<HASH> 100644
--- a/lib/gdriveWrapper.js
+++ b/lib/gdriveWrapper.js
@@ -211,7 +211,7 @@ gdriveWrapper.prototype.downloadNewFiles = function(gdriveDirectory, targetDirec
                     filesBeingDownloaded--;
                     checkGetNextFiles();
                   } catch (err) {
-                    complete(new Error(5, "Failed to append to existing file list"));
+                    complete(new Error('Failed to append to existing file list'));
                     return;
                   }
                 }  else {
Remove numbers from error creation

Looks like passing a number for the error is not supported
by default, remove