diff --git a/gns3server/compute/iou/iou_vm.py b/gns3server/compute/iou/iou_vm.py
index e638eb50..d8fb2899 100644
--- a/gns3server/compute/iou/iou_vm.py
+++ b/gns3server/compute/iou/iou_vm.py
@@ -436,9 +436,9 @@ class IOUVM(BaseNode):
                 )
             )
 
-    def _is_iou_licence_check_enabled(self):
+    def _is_iou_license_check_enabled(self):
         """
-        Returns if IOU licence check is enabled.
+        Returns if IOU license check is enabled.
 
         :return: boolean
         """
@@ -459,7 +459,7 @@ class IOUVM(BaseNode):
 
         return True
 
-    async def _check_iou_licence(self):
+    async def _check_iou_license(self):
         """
         Checks for a valid IOU key in the iourc file (paranoid mode).
         """
@@ -569,14 +569,13 @@ class IOUVM(BaseNode):
                 raise IOUError(f"Could not rename nvram files: {e}")
 
             iourc_path = None
-            if self._is_iou_licence_check_enabled():
+            if self._is_iou_license_check_enabled():
                 iourc_path = self.iourc_path
                 if not iourc_path:
                     raise IOUError("Could not find an iourc file (IOU license), please configure an IOU license")
                 if not os.path.isfile(iourc_path):
                     raise IOUError(f"The iourc path '{iourc_path}' is not a regular file")
-
-                await self._check_iou_licence()
+                await self._check_iou_license()
 
             await self._start_ubridge()
             self._create_netmap_config()
diff --git a/tests/compute/iou/test_iou_vm.py b/tests/compute/iou/test_iou_vm.py
index 7a4c816e..211b8e3c 100644
--- a/tests/compute/iou/test_iou_vm.py
+++ b/tests/compute/iou/test_iou_vm.py
@@ -92,7 +92,7 @@ async def test_start(vm):
 
     mock_process = MagicMock()
     vm._check_requirements = AsyncioMagicMock(return_value=True)
-    vm._check_iou_licence = AsyncioMagicMock(return_value=True)
+    vm._check_iou_license = AsyncioMagicMock(return_value=True)
     vm._start_ubridge = AsyncioMagicMock(return_value=True)
     vm._ubridge_send = AsyncioMagicMock()
 
@@ -104,7 +104,7 @@ async def test_start(vm):
         assert vm.command_line == ' '.join(mock_exec.call_args[0])
 
     assert vm._check_requirements.called
-    assert vm._check_iou_licence.called
+    assert vm._check_iou_license.called
     assert vm._start_ubridge.called
     vm._ubridge_send.assert_any_call("iol_bridge delete IOL-BRIDGE-513")
     vm._ubridge_send.assert_any_call("iol_bridge create IOL-BRIDGE-513 513")
@@ -120,8 +120,8 @@ async def test_start_with_iourc(vm, tmpdir, config):
     mock_process = MagicMock()
 
     vm._check_requirements = AsyncioMagicMock(return_value=True)
-    vm._is_iou_licence_check_enabled = AsyncioMagicMock(return_value=True)
-    vm._check_iou_licence = AsyncioMagicMock(return_value=True)
+    vm._is_iou_license_check_enabled = AsyncioMagicMock(return_value=True)
+    vm._check_iou_license = AsyncioMagicMock(return_value=True)
     vm._start_ioucon = AsyncioMagicMock(return_value=True)
     vm._start_ubridge = AsyncioMagicMock(return_value=True)
     vm._ubridge_send = AsyncioMagicMock()
@@ -158,7 +158,7 @@ async def test_stop(vm):
 
     process = MagicMock()
     vm._check_requirements = AsyncioMagicMock(return_value=True)
-    vm._check_iou_licence = AsyncioMagicMock(return_value=True)
+    vm._check_iou_license = AsyncioMagicMock(return_value=True)
     vm._start_ioucon = AsyncioMagicMock(return_value=True)
     vm._start_ubridge = AsyncioMagicMock(return_value=True)
     vm._ubridge_send = AsyncioMagicMock()
@@ -184,7 +184,7 @@ async def test_reload(vm, fake_iou_bin):
 
     process = MagicMock()
     vm._check_requirements = AsyncioMagicMock(return_value=True)
-    vm._check_iou_licence = AsyncioMagicMock(return_value=True)
+    vm._check_iou_license = AsyncioMagicMock(return_value=True)
     vm._start_ioucon = AsyncioMagicMock(return_value=True)
     vm._start_ubridge = AsyncioMagicMock(return_value=True)
     vm._ubridge_send = AsyncioMagicMock()
@@ -384,42 +384,42 @@ def test_get_legacy_vm_workdir():
 async def test_invalid_iou_file(vm, iourc_file):
 
     hostname = socket.gethostname()
-    await vm._check_iou_licence()
+    await vm._check_iou_license()
 
     # Missing ;
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[license]\n{} = aaaaaaaaaaaaaaaa".format(hostname))
-        await vm._check_iou_licence()
+        await vm._check_iou_license()
 
     # Key too short
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[license]\n{} = aaaaaaaaaaaaaa;".format(hostname))
-        await vm._check_iou_licence()
+        await vm._check_iou_license()
 
     # Invalid hostname
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[license]\nbla = aaaaaaaaaaaaaa;")
-        await vm._check_iou_licence()
+        await vm._check_iou_license()
 
     # Missing licence section
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[licensetest]\n{} = aaaaaaaaaaaaaaaa;")
-        await vm._check_iou_licence()
+        await vm._check_iou_license()
 
     # Broken config file
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[")
-        await vm._check_iou_licence()
+        await vm._check_iou_license()
 
     # Missing file
     with pytest.raises(IOUError):
         os.remove(iourc_file)
-        await vm._check_iou_licence()
+        await vm._check_iou_license()
 
 
 def test_iourc_content(vm):