diff --git a/src/proto/ops.pro b/src/proto/ops.pro
index 0740dda..b00cc50 100644
--- a/src/proto/ops.pro
+++ b/src/proto/ops.pro
@@ -11,7 +11,7 @@
 char_u *get_expr_line(void);
 char_u *get_expr_line_src(void);
 int valid_yank_reg(int regname, int writing);
-void get_yank_register(int regname, int writing);
+int get_yank_register(int regname, int writing);
 int may_get_selection(int regname);
 void *get_register(int name, int copy);
 void put_register(int name, void *reg);
@@ -19,7 +19,7 @@
 int yank_register_mline(int regname);
 int do_record(int c);
 int do_execreg(int regname, int colon, int addcr, int silent);
-int insert_reg(int regname, int literally);
+int insert_reg(int regname, int literally_arg);
 int get_spec_reg(int regname, char_u **argp, int *allocated, int errmsg);
 int cmdline_paste_reg(int regname, int literally, int remcr);
 void adjust_clip_reg(int *rp);