diff --git a/api/controller/sysroot_unittest.py b/api/controller/sysroot_unittest.py
index 6d75e5d..5f1a84f 100644
--- a/api/controller/sysroot_unittest.py
+++ b/api/controller/sysroot_unittest.py
@@ -852,6 +852,7 @@
             incremental_build=False,
             dryrun=False,
             backtrack=sysroot_controller.DEFAULT_BACKTRACK,
+            workon=False,
         )
 
     def testSuccessWithGomaLogs(self):