diff --git a/ansible/roles/vm_set/tasks/get_dut_port.yml b/ansible/roles/vm_set/tasks/get_dut_port.yml
index e2f26648daf..5fd974f9bd8 100644
--- a/ansible/roles/vm_set/tasks/get_dut_port.yml
+++ b/ansible/roles/vm_set/tasks/get_dut_port.yml
@@ -54,6 +54,6 @@
 
 - set_fact:
     duts_fp_ports: "{{ duts_fp_ports|default({}) | combine( { dut_name: dut_fp_ports } ) }}"
-    duts_midplane_ports: "{{ duts_midplane_ports|default({}) | combine( { dut_name: dut_midplane_ports } ) }}"
-    duts_inband_ports: "{{ duts_inband_ports|default({}) | combine( { dut_name: dut_inband_ports } ) }}"
+    duts_midplane_ports: "{{ duts_midplane_ports|default({}) | combine( { dut_name: dut_midplane_ports|default([]) } ) }}"
+    duts_inband_ports: "{{ duts_inband_ports|default({}) | combine( { dut_name: dut_inband_ports|default([]) } ) }}"
     duts_mgmt_port: "{{ duts_mgmt_port|default([]) + [ dut_mgmt_port ] }}"