diff --git a/middleware.go b/middleware.go
index 083b637..500366b 100644
--- a/middleware.go
+++ b/middleware.go
@@ -513,7 +513,7 @@ func (t *TraefikOidc) processAuthorizedRequest(rw http.ResponseWriter, req *http
 
 	// When minimalHeaders is enabled, skip extra headers to prevent 431 errors
 	if !t.minimalHeaders {
-		req.Header.Set("X-Auth-Request-Redirect", req.URL.RequestURI())
+		req.Header.Set("X-Auth-Request-Redirect", t.originalRequestURI(req))
 		req.Header.Set("X-Auth-Request-User", userIdentifier)
 		if idToken != "" {
 			req.Header.Set("X-Auth-Request-Token", idToken)