diff --git a/http.go b/http.go
index 502ab2a..a3b475c 100644
--- a/http.go
+++ b/http.go
@@ -143,11 +143,13 @@ func (resp *Response) Body() []byte {
 
 // SetBody sets response body.
 func (resp *Response) SetBody(body []byte) {
+	resp.bodyStream = nil
 	resp.body = append(resp.body[:0], body...)
 }
 
 // ResetBody resets response body.
 func (resp *Response) ResetBody() {
+	resp.bodyStream = nil
 	resp.body = resp.body[:0]
 }