diff --git a/lib/http.c b/lib/http.c
index 7abba04551..4c80bf9380 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -871,13 +871,17 @@ Curl_http_output_auth(struct Curl_easy *data,
 #else
 /* when disabled */
 CURLcode
-Curl_http_output_auth(struct connectdata *conn,
+Curl_http_output_auth(struct Curl_easy *data,
+                      struct connectdata *conn,
                       const char *request,
+                      Curl_HttpReq httpreq,
                       const char *path,
                       bool proxytunnel)
 {
+  (void)data;
   (void)conn;
   (void)request;
+  (void)httpreq;
   (void)path;
   (void)proxytunnel;
   return CURLE_OK;