diff --git a/src/index.ts b/src/index.ts
index 3132091c..595306ed 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -150,7 +150,7 @@ export class OpenApiValidator {
     app: Application | Router,
     context: OpenApiContext,
   ): void {
-    app.use(middlewares.multipart(context, this.options.multerOpts));
+    app.use(middlewares.multipart(context, this.options.fileUploader));
   }
 
   private installSecurityMiddleware(
diff --git a/test/multipart.spec.ts b/test/multipart.spec.ts
index 65d58358..ec0b424e 100644
--- a/test/multipart.spec.ts
+++ b/test/multipart.spec.ts
@@ -7,24 +7,39 @@ import * as packageJson from '../package.json';
 
 describe(packageJson.name, () => {
   let app = null;
+  const fileNames = [];
   before(async () => {
     const apiSpec = path.join('test', 'resources', 'multipart.yaml');
-    app = await createApp({ apiSpec }, 3003, app =>
-      app.use(
-        `${app.basePath}`,
-        express
-          .Router()
-          .post(`/sample_2`, (req, res) => {
-            const files = req.files;
-            res.status(200).json({
-              files,
-              metadata: req.body.metadata,
-            });
-          })
-          .post(`/sample_1`, (req, res) => res.json(req.body)),
-      ),
+    app = await createApp(
+      {
+        apiSpec,
+        fileUploader: {
+          fileFilter: (req, file, cb) => {
+            fileNames.push(file.originalname);
+            cb(null, true);
+          },
+        },
+      },
+      3003,
+      app =>
+        app.use(
+          `${app.basePath}`,
+          express
+            .Router()
+            .post(`/sample_2`, (req, res) => {
+              const files = req.files;
+              res.status(200).json({
+                files,
+                metadata: req.body.metadata,
+              });
+            })
+            .post(`/sample_1`, (req, res) => res.json(req.body)),
+        ),
     );
   });
+  beforeEach(() => {
+    fileNames.length = 0;
+  });
   after(() => {
     (<any>app).server.close();
   });
@@ -52,8 +67,8 @@ describe(packageJson.name, () => {
         .attach('file', 'package.json')
         .expect(400));
 
-    it('should validate multipart file and metadata', async () =>
-      request(app)
+    it('should validate multipart file and metadata', async () => {
+      await request(app)
         .post(`${app.basePath}/sample_2`)
         .set('Content-Type', 'multipart/form-data')
         .set('Accept', 'application/json')
@@ -69,8 +84,9 @@ describe(packageJson.name, () => {
             .to.have.property('fieldname')
             .to.equal('file');
           expect(b.metadata).to.equal('some-metadata');
-        }));
-
+        });
+      expect(fileNames).to.deep.equal(['package.json']);
+    });
     it('should throw 405 get method not allowed', async () =>
       request(app)
         .get(`${app.basePath}/sample_2`)