diff --git a/src/python/devtest/os/test/cases/ProcessList.py b/src/python/devtest/os/test/cases/ProcessList.py
index a435499..cd52739 100644
--- a/src/python/devtest/os/test/cases/ProcessList.py
+++ b/src/python/devtest/os/test/cases/ProcessList.py
@@ -4,6 +4,9 @@ from ..ListCmd import ListCmd
 
 class ProcessList(ListCmd): # export
 
+    def _row_name(self, row):
+        return '{}@{}'.format(row['user'], row['cmd'])
+
     # Override as needed.
     def _row_info(self):
         return (