diff --git a/demo.json b/demo.json
index a3f2774..5acabb5 100644
--- a/demo.json
+++ b/demo.json
@@ -4,6 +4,9 @@
     "hw_rev": "v1.0",
     "base": "standalone",
     "peripherals": [
+        {
+            "type": "coaxpress_sfp"
+        },
         {
             "type": "grabber",
             "ports": [0]