diff --git a/modules/reitit-malli/src/reitit/ring/malli.cljc b/modules/reitit-malli/src/reitit/ring/malli.cljc
index a7987625..1ccc1959 100644
--- a/modules/reitit-malli/src/reitit/ring/malli.cljc
+++ b/modules/reitit-malli/src/reitit/ring/malli.cljc
@@ -4,7 +4,8 @@
 #?(:clj
    (def temp-file-part
      "Schema for file param created by ring.middleware.multipart-params.temp-file store."
-     [:map {:json-schema {:type "file"}}
+     [:map {:json-schema {:type "string"
+                          :format "binary"}}
       [:filename string?]
       [:content-type string?]
       [:size int?]
@@ -13,7 +14,8 @@
 #?(:clj
    (def bytes-part
      "Schema for file param created by ring.middleware.multipart-params.byte-array store."
-     [:map {:json-schema {:type "file"}}
+     [:map {:json-schema {:type "string"
+                          :format "binary"}}
       [:filename string?]
       [:content-type string?]
       [:bytes bytes?]]))
diff --git a/test/cljc/reitit/openapi_test.clj b/test/cljc/reitit/openapi_test.clj
index 7e9bfcda..563125ed 100644
--- a/test/cljc/reitit/openapi_test.clj
+++ b/test/cljc/reitit/openapi_test.clj
@@ -11,6 +11,7 @@
             [reitit.http.interceptors.multipart]
             [reitit.openapi :as openapi]
             [reitit.ring :as ring]
+            [reitit.ring.malli]
             [reitit.ring.spec]
             [reitit.ring.coercion :as rrc]
             [reitit.swagger-ui :as swagger-ui]
@@ -434,11 +435,7 @@
 (deftest multipart-test
   (doseq [[coercion file-schema string-schema]
           [[#'malli/coercion
-            [:map {:json-schema {:type "string"
-                                 :format "binary"}}
-             [:filename :string]
-             [:content-type :string]
-             [:bytes :int]]
+            reitit.ring.malli/bytes-part
             :string]
            [#'schema/coercion
             (schema-tools.core/schema {:filename s/Str