diff --git a/xCAT-test/autotest/testcase/pping/cases0 b/xCAT-test/autotest/testcase/pping/cases0
index 98f4571a5..0a569ab89 100644
--- a/xCAT-test/autotest/testcase/pping/cases0
+++ b/xCAT-test/autotest/testcase/pping/cases0
@@ -18,5 +18,11 @@ end
 start:pping_node
 cmd:pping $$CN
 check:rc==0
-check:output=~ping
+check:output=~ping|noping
+end
+
+start:pping_invalidnode
+cmd:pping test
+check:rc!=0
+check:output=~Warning: Invalid nodes in noderange:test
 end