diff --git a/encoding/openapi/testdata/oneof.json b/encoding/openapi/testdata/oneof.json
index 2781b7b..b2c0c97 100644
--- a/encoding/openapi/testdata/oneof.json
+++ b/encoding/openapi/testdata/oneof.json
@@ -4,9 +4,9 @@
    "components": {
       "schemas": {
          "MyString": {
+            "type": "object",
             "oneOf": [
                {
-                  "type": "object",
                   "required": [
                      "exact"
                   ],
@@ -18,7 +18,6 @@
                   }
                },
                {
-                  "type": "object",
                   "required": [
                      "regex"
                   ],