diff --git a/etc/schema.json b/etc/schema.json
index 81024cf6b4..3fa763603a 100644
--- a/etc/schema.json
+++ b/etc/schema.json
@@ -1497,6 +1497,9 @@
                 "dest_port": {
                     "type": "integer"
                 },
+                "emergency": {
+                    "type": "boolean"
+                },
                 "end": {
                     "type": "string"
                 },