diff --git a/cmd/test-utils_test.go b/cmd/test-utils_test.go
index b9c8d6056..b6a0c7275 100644
--- a/cmd/test-utils_test.go
+++ b/cmd/test-utils_test.go
@@ -1232,6 +1232,7 @@ func newWebRPCRequest(methodRPC, authorization string, body io.ReadSeeker) (*htt
 	if err != nil {
 		return nil, err
 	}
+	req.Header.Set("User-Agent", "Mozilla")
 	req.Header.Set("Content-Type", "application/json")
 	if authorization != "" {
 		req.Header.Set("Authorization", "Bearer "+authorization)
diff --git a/cmd/web-handlers_test.go b/cmd/web-handlers_test.go
index aeecf18fb..ad0dd25c6 100644
--- a/cmd/web-handlers_test.go
+++ b/cmd/web-handlers_test.go
@@ -831,6 +831,7 @@ func testUploadWebHandler(obj ObjectLayer, instanceType string, t TestErrHandler
 
 		req.Header.Set("x-amz-date", "20160814T114029Z")
 		req.Header.Set("Accept", "*/*")
+		req.Header.Set("User-Agent", "Mozilla")
 
 		req.Body = ioutil.NopCloser(bytes.NewReader(content))
 
@@ -937,6 +938,8 @@ func testDownloadWebHandler(obj ObjectLayer, instanceType string, t TestErrHandl
 			t.Fatalf("Cannot create upload request, %v", err)
 		}
 
+		req.Header.Set("User-Agent", "Mozilla")
+
 		apiRouter.ServeHTTP(rec, req)
 		return rec.Code, rec.Body.Bytes()
 	}
@@ -1081,6 +1084,8 @@ func testWebHandlerDownloadZip(obj ObjectLayer, instanceType string, t TestErrHa
 			t.Fatalf("Cannot create upload request, %v", err)
 		}
 
+		req.Header.Set("User-Agent", "Mozilla")
+
 		apiRouter.ServeHTTP(rec, req)
 		return rec.Code, rec.Body.Bytes()
 	}
@@ -1515,6 +1520,7 @@ func TestWebCheckAuthorization(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Cannot create upload request, %v", err)
 	}
+	req.Header.Set("User-Agent", "Mozilla")
 	apiRouter.ServeHTTP(rec, req)
 	if rec.Code != http.StatusForbidden {
 		t.Fatalf("Expected the response status to be 403, but instead found `%d`", rec.Code)
@@ -1529,6 +1535,7 @@ func TestWebCheckAuthorization(t *testing.T) {
 	content := []byte("temporary file's content")
 	req, err = http.NewRequest("PUT", "/minio/upload/bucket/object", nil)
 	req.Header.Set("Authorization", "Bearer foo-authorization")
+	req.Header.Set("User-Agent", "Mozilla")
 	req.Header.Set("Content-Length", strconv.Itoa(len(content)))
 	req.Header.Set("x-amz-date", "20160814T114029Z")
 	req.Header.Set("Accept", "*/*")
diff --git a/cmd/web-router.go b/cmd/web-router.go
index f717c8823..544840622 100644
--- a/cmd/web-router.go
+++ b/cmd/web-router.go
@@ -70,7 +70,7 @@ func registerWebRouter(router *mux.Router) error {
 	codec := json2.NewCodec()
 
 	// MinIO browser router.
-	webBrowserRouter := router.PathPrefix(minioReservedBucketPath).Subrouter()
+	webBrowserRouter := router.PathPrefix(minioReservedBucketPath).HeadersRegexp("User-Agent", ".*Mozilla.*").Subrouter()
 
 	// Initialize json rpc handlers.
 	webRPC := jsonrpc.NewServer()