diff --git a/gns3server/controller/gns3vm/virtualbox_gns3_vm.py b/gns3server/controller/gns3vm/virtualbox_gns3_vm.py
index 189b40c5..cad08b71 100644
--- a/gns3server/controller/gns3vm/virtualbox_gns3_vm.py
+++ b/gns3server/controller/gns3vm/virtualbox_gns3_vm.py
@@ -175,7 +175,7 @@ class VirtualBoxGNS3VM(BaseGNS3VM):
         log.info('"{}" state is {}'.format(self._vmname, vm_state))
 
         if vm_state == "poweroff":
-            yield from self.set_vcpus(self.vpcus)
+            yield from self.set_vcpus(self.vcpus)
             yield from self.set_ram(self.ram)
 
         if vm_state in ("poweroff", "saved"):
diff --git a/gns3server/schemas/gns3vm.py b/gns3server/schemas/gns3vm.py
index c49f4a82..98c73273 100644
--- a/gns3server/schemas/gns3vm.py
+++ b/gns3server/schemas/gns3vm.py
@@ -42,7 +42,7 @@ GNS3VM_SETTINGS_SCHEMA = {
             "enum": ["vmware", "virtualbox", None]
         },
         "vcpus": {
-            "description": "Number of VPCUS affected to the VM",
+            "description": "Number of vCPUS affected to the VM",
             "type": "integer"
         },
         "ram": {