diff --git a/libs/microbit/kind.json b/libs/microbit/kind.json
index 37f137f9..845b8f39 100644
--- a/libs/microbit/kind.json
+++ b/libs/microbit/kind.json
@@ -71,6 +71,9 @@
             "isNative": false,
             "hasHex": true
         },
+        "simulator": {
+            "runOnLoad": true
+        },
         "serial": {
             "manufacturerFilter": "^mbed$",
             "log": true