diff --git a/gns3server/compute/dynamips/nodes/bridge.py b/gns3server/compute/dynamips/nodes/bridge.py
index 738122ce..4b76d2c7 100644
--- a/gns3server/compute/dynamips/nodes/bridge.py
+++ b/gns3server/compute/dynamips/nodes/bridge.py
@@ -107,5 +107,6 @@ class Bridge(Device):
         yield from self._hypervisor.send('nio_bridge remove_nio "{name}" {nio}'.format(name=self._name, nio=nio))
         self._nios.remove(nio)
 
+    @property
     def hw_virtualization(self):
         return False
diff --git a/gns3server/compute/dynamips/nodes/device.py b/gns3server/compute/dynamips/nodes/device.py
index 3097392d..c898e733 100644
--- a/gns3server/compute/dynamips/nodes/device.py
+++ b/gns3server/compute/dynamips/nodes/device.py
@@ -109,5 +109,6 @@ class Device:
 
         raise NotImplementedError
 
+    @property
     def hw_virtualization(self):
         return False