diff --git a/gns3server/modules/base_vm.py b/gns3server/modules/base_vm.py
index 1540489b..6c58bfbf 100644
--- a/gns3server/modules/base_vm.py
+++ b/gns3server/modules/base_vm.py
@@ -63,6 +63,7 @@ class BaseVM:
         self._closed = False
         self._vm_status = "stopped"
         self._command_line = ""
+        self._allocate_aux = allocate_aux
 
         if self._console is not None:
             if console_type == "vnc":
@@ -270,6 +271,13 @@ class BaseVM:
         self._closed = True
         return True
 
+    @property
+    def allocate_aux(self):
+        """
+        :returns: Boolean allocate or not an aux console
+        """
+        return self._allocate_aux
+
     @property
     def aux(self):
         """