diff --git a/ingress/origin_proxy.go b/ingress/origin_proxy.go
index ffc3d9cb..63c10137 100644
--- a/ingress/origin_proxy.go
+++ b/ingress/origin_proxy.go
@@ -23,6 +23,7 @@ type StreamBasedOriginProxy interface {
 }
 
 func (o *unixSocketPath) RoundTrip(req *http.Request) (*http.Response, error) {
+	req.URL.Scheme = "http"
 	return o.transport.RoundTrip(req)
 }