diff --git a/src/proto/channel.pro b/src/proto/channel.pro
index f8e4a9b..693d2c2 100644
--- a/src/proto/channel.pro
+++ b/src/proto/channel.pro
@@ -1,7 +1,7 @@
 /* channel.c */
 void channel_gui_register_all(void);
 int channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void));
-void channel_set_json_mode(int idx, int json_mode);
+void channel_set_json_mode(int idx, ch_mode_T ch_mode);
 void channel_set_timeout(int idx, int timeout);
 void channel_set_callback(int idx, char_u *callback);
 void channel_set_req_callback(int idx, char_u *callback, int id);
diff --git a/src/proto/json.pro b/src/proto/json.pro
index 5d2e7ba..b98c2c9 100644
--- a/src/proto/json.pro
+++ b/src/proto/json.pro
@@ -1,7 +1,7 @@
 /* json.c */
-char_u *json_encode(typval_T *val);
-char_u *json_encode_nr_expr(int nr, typval_T *val);
-int json_decode_all(js_read_T *reader, typval_T *res);
-int json_decode(js_read_T *reader, typval_T *res);
-int json_find_end(js_read_T *reader);
+char_u *json_encode(typval_T *val, int options);
+char_u *json_encode_nr_expr(int nr, typval_T *val, int options);
+int json_decode_all(js_read_T *reader, typval_T *res, int options);
+int json_decode(js_read_T *reader, typval_T *res, int options);
+int json_find_end(js_read_T *reader, int options);
 /* vim: set ft=c : */