diff --git a/gns3server/web/web_server.py b/gns3server/web/web_server.py
index 3a37ed602..51fad283c 100644
--- a/gns3server/web/web_server.py
+++ b/gns3server/web/web_server.py
@@ -311,7 +311,13 @@ def wakeup():
         # Background task started with the server
         self._app.on_startup.append(self._on_startup)
 
-        resource_options = aiohttp_cors.ResourceOptions(allow_credentials=True, expose_headers="*", allow_headers="*", max_age=0)
+        resource_options = aiohttp_cors.ResourceOptions(
+            allow_credentials=True,
+            expose_headers="*",
+            allow_headers="*",
+            allow_methods="*",
+            max_age=0
+        )
 
         # Allow CORS for this domains
         cors = aiohttp_cors.setup(self._app, defaults={