diff --git a/monkey/monkey_island/cc/models/machine.py b/monkey/monkey_island/cc/models/machine.py
index 1c4c4009c..8e2c0d122 100644
--- a/monkey/monkey_island/cc/models/machine.py
+++ b/monkey/monkey_island/cc/models/machine.py
@@ -4,6 +4,7 @@ from typing import Optional, Sequence
 from pydantic import Field, PositiveInt, validator
 
 from common import OperatingSystem
+from common.types import HardwareID
 
 from .base_models import MutableBaseModel
 from .transforms import make_immutable_sequence
@@ -13,7 +14,7 @@ MachineID = PositiveInt
 
 class Machine(MutableBaseModel):
     id: MachineID = Field(..., allow_mutation=False)
-    hardware_id: Optional[PositiveInt]
+    hardware_id: Optional[HardwareID]
     network_interfaces: Sequence[IPv4Interface]
     operating_system: OperatingSystem
     operating_system_version: str