diff --git a/gns3server/compute/iou/iou_vm.py b/gns3server/compute/iou/iou_vm.py
index b697f088..ef533e51 100644
--- a/gns3server/compute/iou/iou_vm.py
+++ b/gns3server/compute/iou/iou_vm.py
@@ -224,6 +224,10 @@ class IOUVM(BaseNode):
 
         iourc_path = self._config().get("iourc_path")
         if not iourc_path:
+            # look for the iourc file in the temporary  dir.
+            path = os.path.join(self.temporary_directory, "iourc")
+            if os.path.exists(path):
+                return path
             # look for the iourc file in the user home dir.
             path = os.path.join(os.path.expanduser("~/"), ".iourc")
             if os.path.exists(path):
@@ -232,10 +236,6 @@ class IOUVM(BaseNode):
             path = os.path.join(self.working_dir, "iourc")
             if os.path.exists(path):
                 return path
-            # look for the iourc file in the temporary  dir.
-            path = os.path.join(self.temporary_directory, "iourc")
-            if os.path.exists(path):
-                return path
         return iourc_path
 
     @property
diff --git a/gns3server/controller/node.py b/gns3server/controller/node.py
index a7dd6de1..98cf5759 100644
--- a/gns3server/controller/node.py
+++ b/gns3server/controller/node.py
@@ -387,7 +387,15 @@ class Node:
         Start a node
         """
         try:
-            yield from self.post("/start", timeout=240)
+            # For IOU we need to send the licence everytime
+            if self.node_type == "iou":
+                try:
+                    licence = self._project.controller.settings["IOU"]["iourc_content"]
+                except KeyError:
+                    raise aiohttp.web.HTTPConflict(text="IOU licence is not configured")
+                yield from self.post("/start", timeout=240, data={"iourc_content": licence})
+            else:
+                yield from self.post("/start", timeout=240)
         except asyncio.TimeoutError:
             raise aiohttp.web.HTTPRequestTimeout(text="Timeout when starting {}".format(self._name))
 
diff --git a/tests/controller/test_node.py b/tests/controller/test_node.py
index 0b16edd1..0624cdf5 100644
--- a/tests/controller/test_node.py
+++ b/tests/controller/test_node.py
@@ -346,6 +346,21 @@ def test_start(node, compute, project, async_run):
     compute.post.assert_called_with("/projects/{}/vpcs/nodes/{}/start".format(node.project.id, node.id), timeout=240)
 
 
+def test_start_iou(compute, project, async_run, controller):
+    node = Node(project, compute, "demo",
+                node_id=str(uuid.uuid4()),
+                node_type="iou")
+    compute.post = AsyncioMagicMock()
+
+    # Without licence configured it should raise an error
+    with pytest.raises(aiohttp.web.HTTPConflict):
+        async_run(node.start())
+
+    controller.settings["IOU"] = {"iourc_content": "aa"}
+    async_run(node.start())
+    compute.post.assert_called_with("/projects/{}/iou/nodes/{}/start".format(node.project.id, node.id), timeout=240, data={"iourc_content": "aa"})
+
+
 def test_stop(node, compute, project, async_run):
 
     compute.post = AsyncioMagicMock()