diff --git a/ansible/linkstate/testbed_inv.py b/ansible/linkstate/testbed_inv.py
index 3d3540bf463..9baa13a1798 100755
--- a/ansible/linkstate/testbed_inv.py
+++ b/ansible/linkstate/testbed_inv.py
@@ -25,7 +25,7 @@ def read_config():
 def parse_testbed_configuration(filename, target):
     with open(filename) as fp:
         for line in fp:
-            if line.startswith(target):
+            if line.startswith(target + ','):
                 splitted_line = line.split(",")
                 ptf_name = splitted_line[1]
                 topo_name = splitted_line[2]