diff --git a/icecast/src/auth_url.c b/icecast/src/auth_url.c

index c592485..e1321c9 100644

--- a/icecast/src/auth_url.c

+++ b/icecast/src/auth_url.c

@@ -518,7 +518,9 @@ int auth_get_url_auth (auth_t *authenticator, config_options_t *options)

     curl_easy_setopt (url_info->handle, CURLOPT_WRITEDATA, url_info->handle);

     curl_easy_setopt (url_info->handle, CURLOPT_NOSIGNAL, 1L);

     curl_easy_setopt (url_info->handle, CURLOPT_TIMEOUT, 15L);

+#ifdef CURLOPT_PASSWDFUNCTION

     curl_easy_setopt (url_info->handle, CURLOPT_PASSWDFUNCTION, my_getpass);

+#endif

     curl_easy_setopt (url_info->handle, CURLOPT_ERRORBUFFER, &url_info->errormsg[0]);

     if (url_info->username && url_info->password)