diff --git a/http_tunnel.go b/http_tunnel.go
index 2d64f39..4a3956c 100644
--- a/http_tunnel.go
+++ b/http_tunnel.go
@@ -113,6 +113,7 @@ PARSE:
 		c.Close()
 		return nil, e
 	}
+	resp.Body.Close()
 	if resp.StatusCode != 200 {
 		c.Close()
 		return nil, fmt.Errorf("proxy returns %s", resp.Status)