diff --git a/gns3server/controller/appliance.py b/gns3server/controller/appliance.py
index 10d958983..d62cb3a52 100644
--- a/gns3server/controller/appliance.py
+++ b/gns3server/controller/appliance.py
@@ -51,6 +51,10 @@ class Appliance:
     def symbol(self):
         return self._data.get("symbol")
 
+    @symbol.setter
+    def symbol(self, new_symbol):
+        self._data["symbol"] = new_symbol
+
     @property
     def name(self):
         return self._data.get("name")
@@ -63,10 +67,6 @@ class Appliance:
     def versions(self):
         return self._data.get("versions")
 
-    @symbol.setter
-    def symbol(self, new_symbol):
-        self._data["symbol"] = new_symbol
-
     @property
     def type(self):
 
diff --git a/pyproject.toml b/pyproject.toml
index 263226226..2d81451cf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -356,7 +356,6 @@ module = [
   "gns3server.api.routes.controller.templates",  # 10
   "gns3server.api.routes.controller.users",  # 14
   "gns3server.compute.virtualbox.virtualbox_vm",  # 1
-  "gns3server.controller.appliance",  # 2
   "gns3server.controller.appliance_manager",  # 5
   "gns3server.controller.project",  # 2
   "gns3server.controller.topology",  # 1