diff --git a/appliances/exos.gns3a b/appliances/exos.gns3a
index 2c93241..15d8c1c 100644
--- a/appliances/exos.gns3a
+++ b/appliances/exos.gns3a
@@ -15,7 +15,6 @@
     "first_port_name": "Management",
     "port_name_format": "Port{port1}",
     "qemu": {
-        "cpus": 2,
         "adapter_type": "e1000",
         "adapters": 13,
         "ram": 256,
@@ -24,7 +23,7 @@
         "console_type": "telnet",
         "boot_priority": "cd",
         "kvm": "require",
-        "options": "-cpu core2duo"
+        "options": "-smp 2 -cpu core2duo"
     },
     "images": [
         {