diff --git a/scripts/firecracker.py b/scripts/firecracker.py
index 671342e549..67a746f70e 100755
--- a/scripts/firecracker.py
+++ b/scripts/firecracker.py
@@ -136,7 +136,7 @@ def configure_machine(self, vcpu_count, mem_size_in_mb):
         machine_config = {
             'vcpu_count': vcpu_count,
             'mem_size_mib': mem_size_in_mb,
-            'ht_enabled' : False
+            'smt' : False
         }
         if self.socket_less:
             self.firecracker_config['machine-config'] = machine_config