diff --git a/js/common/tests/shell-fs.js b/js/common/tests/shell-fs.js
index 4d0d17e589..f94bac1a06 100644
--- a/js/common/tests/shell-fs.js
+++ b/js/common/tests/shell-fs.js
@@ -321,7 +321,7 @@ function FileSystemSuite () {
         fail();
       }
       catch (err) {
-        assertEqual(ERRORS.ERROR_SYS_ERROR.code, err.errorNum);
+        assertEqual(ERRORS.ERROR_FILE_EXISTS.code, err.errorNum);
       }
 
       // create a subdirectory in the directory we created