diff --git a/lib/http.c b/lib/http.c
index e74aba3228..c44132f4be 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -1139,6 +1139,8 @@ CURLcode Curl_http_input_auth(struct Curl_easy *data, bool proxy,
                 data->state.authproblem = TRUE;
               }
             }
+#else
+           ;
 #endif
 
     /* there may be multiple methods on one line, so keep reading */