diff --git a/src/proto/vim9class.pro b/src/proto/vim9class.pro
index 13a643d..707f4ec 100644
--- a/src/proto/vim9class.pro
+++ b/src/proto/vim9class.pro
@@ -1,5 +1,5 @@
 /* vim9class.c */
-int object_index_from_itf_index(class_T *itf, int idx, class_T *cl);
+int object_index_from_itf_index(class_T *itf, int is_method, int idx, class_T *cl);
 void ex_class(exarg_T *eap);
 type_T *class_member_type(class_T *cl, char_u *name, char_u *name_end, int *member_idx);
 void ex_enum(exarg_T *eap);
diff --git a/src/proto/vim9instr.pro b/src/proto/vim9instr.pro
index 3041317..ff13283 100644
--- a/src/proto/vim9instr.pro
+++ b/src/proto/vim9instr.pro
@@ -57,7 +57,7 @@
 int generate_BCALL(cctx_T *cctx, int func_idx, int argcount, int method_call);
 int generate_LISTAPPEND(cctx_T *cctx);
 int generate_BLOBAPPEND(cctx_T *cctx);
-int generate_CALL(cctx_T *cctx, ufunc_T *ufunc, int pushed_argcount);
+int generate_CALL(cctx_T *cctx, ufunc_T *ufunc, class_T *cl, int mi, int pushed_argcount);
 int generate_UCALL(cctx_T *cctx, char_u *name, int argcount);
 int check_func_args_from_type(cctx_T *cctx, type_T *type, int argcount, int at_top, char_u *name);
 int generate_PCALL(cctx_T *cctx, int argcount, char_u *name, type_T *type, int at_top);