diff --git a/include/haproxy/server.h b/include/haproxy/server.h
index b295ebd038..5ca0fe90dc 100644
--- a/include/haproxy/server.h
+++ b/include/haproxy/server.h
@@ -44,7 +44,7 @@ extern struct dict server_key_dict;
 int srv_downtime(const struct server *s);
 int srv_lastsession(const struct server *s);
 int srv_getinter(const struct check *check);
-int parse_server(const char *file, int linenum, char **args, struct proxy *curproxy, struct proxy *defproxy, int parse_addr, int in_peers_section, int initial_resolve);
+int parse_server(const char *file, int linenum, char **args, struct proxy *curproxy, const struct proxy *defproxy, int parse_addr, int in_peers_section, int initial_resolve);
 int update_server_addr(struct server *s, void *ip, int ip_sin_family, const char *updater);
 const char *update_server_addr_port(struct server *s, const char *addr, const char *port, char *updater);
 struct server *server_find_by_id(struct proxy *bk, int id);
diff --git a/src/server.c b/src/server.c
index a77579abef..e95580fe1c 100644
--- a/src/server.c
+++ b/src/server.c
@@ -1940,7 +1940,7 @@ static int server_template_init(struct server *srv, struct proxy *px)
 }
 
 int parse_server(const char *file, int linenum, char **args, struct proxy *curproxy,
-                 struct proxy *defproxy, int parse_addr, int in_peers_section, int initial_resolve)
+                 const struct proxy *defproxy, int parse_addr, int in_peers_section, int initial_resolve)
 {
 	struct server *newsrv = NULL;
 	const char *err = NULL;