diff --git a/etc/schema.json b/etc/schema.json
index b2411c08dc..1268fcaba8 100644
--- a/etc/schema.json
+++ b/etc/schema.json
@@ -115,6 +115,9 @@
                     "gaps": {
                         "type": "boolean"
                     },
+                    "magic": {
+                        "type": "string"
+                    },
                     "md5": {
                         "type": "string"
                     },