diff --git a/main.go b/main.go
index c1b917a..f69c43d 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,7 @@
 package jsFetch
 
 import (
+	"bytes"
 	"context"
 	"errors"
 	"io"
@@ -189,7 +190,7 @@ func (t *Transport) RoundTrip(req *Request) (resp *Response, err error) {
 		}
 
 		// Safari doesn't support readable streams
-		if strings.Contains(js.Global().Get("navigator").Get("userAgent").String(), "Safari") {
+		if !js.Global().Get("ApplePaySession").IsUndefined() {
 			resp.Body = jsStreams.NewReadableStream(args[0].Get("body"))
 		} else {
 			// Read in the body with .arrayBuffer()
@@ -197,8 +198,9 @@ func (t *Transport) RoundTrip(req *Request) (resp *Response, err error) {
 			var waitGroup sync.WaitGroup
 			waitGroup.Add(1)
 			promise.Call("then", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
-				bytes := make([]byte, args[0].Get("length").Int())
-				js.CopyBytesToGo(bytes, args[0])
+				b := make([]byte, args[0].Get("length").Int())
+				js.CopyBytesToGo(b, args[0])
+				resp.Body = io.NopCloser(bytes.NewReader(b))
 				waitGroup.Done()
 				return nil
 			}))
@@ -673,7 +675,7 @@ func Get(url string) (response *Response, err error) {
 		return
 	}
 	// Disable if not https, we don't detect chromium, or we are on safari
-	if !strings.HasPrefix(url, "https://") || !js.Global().Get("chrome").IsUndefined() || strings.Contains(js.Global().Get("navigator").Get("userAgent").String(), "Safari") {
+	if !strings.HasPrefix(url, "https://") || !js.Global().Get("chrome").IsUndefined() || !js.Global().Get("ApplePaySession").IsUndefined() {
 		request.DisableStreamedClient = true
 	}
 	response, err = Fetch.Do(request)
@@ -690,7 +692,7 @@ func Post(url string, contentType string, body io.Reader) (response *Response, e
 		return
 	}
 	// Disable if not https, we don't detect chromium, or we are on safari
-	if !strings.HasPrefix(url, "https://") || !js.Global().Get("chrome").IsUndefined() || strings.Contains(js.Global().Get("navigator").Get("userAgent").String(), "Safari") {
+	if !strings.HasPrefix(url, "https://") || !js.Global().Get("chrome").IsUndefined() || !js.Global().Get("ApplePaySession").IsUndefined() {
 		request.DisableStreamedClient = true
 	}
 	request.Header.Add("Content-Type", contentType)
@@ -710,7 +712,7 @@ func PostForm(url string, data url.Values) (response *Response, err error) {
 	}
 	request.Header.Add("Content-Type", "application/x-www-form-urlencoded")
 	// Disable if not https, we don't detect chromium, or we are on safari
-	if !strings.HasPrefix(url, "https://") || !js.Global().Get("chrome").IsUndefined() || strings.Contains(js.Global().Get("navigator").Get("userAgent").String(), "Safari") {
+	if !strings.HasPrefix(url, "https://") || !js.Global().Get("chrome").IsUndefined() || !js.Global().Get("ApplePaySession").IsUndefined() {
 		request.DisableStreamedClient = true
 	}
 	response, err = Fetch.Do(request)