diff --git a/forwardproxy.go b/forwardproxy.go
index 56792e4..59fcd43 100644
--- a/forwardproxy.go
+++ b/forwardproxy.go
@@ -208,6 +208,8 @@ func (fp *ForwardProxy) shouldServePacFile(r *http.Request) bool {
 
 const pacFile = `
 function FindProxyForURL(url, host) {
+	if (host === "127.0.0.1" || host === "::1" || host === "localhost")
+		return "DIRECT";
 	return "HTTPS %s:%s";
 }
 `