diff --git a/lib/vauth/ntlm.c b/lib/vauth/ntlm.c
index 5aa7e6ec00..93096ba5ec 100644
--- a/lib/vauth/ntlm.c
+++ b/lib/vauth/ntlm.c
@@ -380,8 +380,8 @@ CURLcode Curl_auth_create_ntlm_type1_message(struct Curl_easy *data,
   (void)data;
   (void)userp;
   (void)passwdp;
-  (void)service,
-  (void)hostname,
+  (void)service;
+  (void)hostname;
 
   /* Clean up any former leftovers and initialise to defaults */
   Curl_auth_cleanup_ntlm(ntlm);