diff --git a/lib/url.c b/lib/url.c
index 925c67ded..75a1c444b 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -3786,6 +3786,8 @@ static void free_fixed_hostname(struct hostname *host)
   free(host->encalloc); /* must be freed withidn_free() since this was
                            allocated by curl_win32_idn_to_ascii */
   host->encalloc = NULL;
+#else
+  (void)host;
 #endif
 }