diff --git a/guest-test/qemu_get_config.py b/guest-test/qemu_get_config.py
index 28a98ae0..65f2bb30 100755
--- a/guest-test/qemu_get_config.py
+++ b/guest-test/qemu_get_config.py
@@ -69,7 +69,11 @@
 # pre-config O-list variables' values could be override by test_params.py if passed in
 # test_params.py is generated by test_launcher.sh for both qemu_runner.py and test_executor.sh
 # O-list variables default value from qemu.config.json
-vm_type = qemu_config["common"]["vm_type"]
+if 'VM_TYPE' in dir():
+  vm_type = vm_type
+else:
+  vm_type = qemu_config["common"]["vm_type"]
+
 if 'PMU' in dir():
   pmu = PMU
 else: