1 files changed, 3 insertions, 0 deletions
diff --git a/lib/url.h b/lib/url.h
index cd46a92c3..e49b7724d 100644
--- a/lib/url.h
+++ b/lib/url.h
@@ -69,6 +69,9 @@ void Curl_close_connections(struct SessionHandle *data);
 #define CURL_DEFAULT_PROXY_PORT 1080 /* default proxy port unless specified */
 #define CURL_DEFAULT_SOCKS5_GSSAPI_SERVICE "rcmd" /* default socks5 gssapi
                                                      service */
+#define CURL_DEFAULT_PROXY_SERVICE_NAME "HTTP" /* default negotiate proxy
+                                                  service */
+#define CURL_DEFAULT_SERVICE_NAME "HTTP"  /* default negotiate service */
 
 CURLcode Curl_connected_proxy(struct connectdata *conn, int sockindex);