diff --git a/src/ring/swagger/json_schema_dirty.clj b/src/ring/swagger/json_schema_dirty.clj
index 8f0ea2c..8edbc78 100644
--- a/src/ring/swagger/json_schema_dirty.clj
+++ b/src/ring/swagger/json_schema_dirty.clj
@@ -6,18 +6,18 @@
 
 (extend-protocol json-schema/JsonSchema
   schema.experimental.abstract_map.AbstractSchema
-  (convert [e {:keys [properties? schema-type]
-               :or {properties? true}} ]
+  (convert [e {:keys [properties?]
+               :or {properties? true} :as options}]
     (if properties?
       (merge {:discriminator (name (:dispatch-key e))}
-             (json-schema/->swagger (:schema e) {:properties? properties? :schema-type schema-type}))
-      (json-schema/reference e schema-type)))
+             (json-schema/->swagger (:schema e) (assoc options :properties? properties?)))
+      (json-schema/reference e options)))
 
   schema.experimental.abstract_map.SchemaExtension
-  (convert [e {:keys [schema-type] :as options}]
-    {:allOf [(json-schema/->swagger (:base-schema e) {:properties? false :schema-type schema-type})
+  (convert [e options]
+    {:allOf [(json-schema/->swagger (:base-schema e) (assoc options :properties? false))
              ; Find which keys are also in base-schema and don't include them in these properties
              (json-schema/->swagger (let [base-keys (set (keys (:schema (:base-schema e))))
                                           m         (:extended-schema e)]
                                       (into (empty m) (remove (comp base-keys key) m)))
-                                    {:properties? true :schema-type schema-type})]}))
+                                    (assoc options :properties? true))]}))