diff --git a/gns3server/modules/dynamips/nodes/router.py b/gns3server/modules/dynamips/nodes/router.py
index 65082d51..a6a54312 100644
--- a/gns3server/modules/dynamips/nodes/router.py
+++ b/gns3server/modules/dynamips/nodes/router.py
@@ -228,6 +228,8 @@ class Router(BaseVM):
         """
 
         status = yield from self._hypervisor.send('vm get_status "{name}"'.format(name=self._name))
+        if len(status) == 0:
+            raise DynamipsError("Can't get vm {name} status".format(name=self._name))
         return self._status[int(status[0])]
 
     @asyncio.coroutine