diff --git a/definitions/3.0.0/info.json b/definitions/3.0.0/info.json
index bf8c1491..5e7db79b 100644
--- a/definitions/3.0.0/info.json
+++ b/definitions/3.0.0/info.json
@@ -60,6 +60,9 @@
       ]
     }
   },
+  "x": {
+    "$ref": "http://asyncapi.com/extensions/0.1.0/x.json"
+  },
   "$schema": "http://json-schema.org/draft-07/schema#",
   "$id": "http://asyncapi.com/definitions/3.0.0/info.json"
 }
\ No newline at end of file
diff --git a/extensions/0.1.0/info.json b/extensions/0.1.0/x.json
similarity index 83%
rename from extensions/0.1.0/info.json
rename to extensions/0.1.0/x.json
index 9c16238a..eb095c22 100644
--- a/extensions/0.1.0/info.json
+++ b/extensions/0.1.0/x.json
@@ -1,5 +1,4 @@
 {
-    "type": "object",
     "additionalProperties": false,
     "properties": {
         "x-x": {
@@ -12,5 +11,5 @@
         }
     },
     "$schema": "http://json-schema.org/draft-07/schema#",
-    "$id": "http://asyncapi.com/extensions/0.1.0/info.json"
+    "$id": "http://asyncapi.com/extensions/0.1.0/x.json"
 }
\ No newline at end of file