diff --git a/src/config/schema-transformer/config_db.py b/src/config/schema-transformer/config_db.py
index 73ec9517169..0a302cdaf47 100644
--- a/src/config/schema-transformer/config_db.py
+++ b/src/config/schema-transformer/config_db.py
@@ -898,7 +898,7 @@ def get_analyzer_vn_and_ip(analyzer_name):
         if not vm_analyzer and not pt_list:
             return (None, None)
         if pt_list:
-            vm_pt = PortTupleST.get(pt[0])
+            vm_pt = PortTupleST.get(pt_list[0])
         else:
             vm_pt = VirtualMachineST.get(vm_analyzer[0])
         if vm_pt is None: