diff --git a/src/proto/ops.pro b/src/proto/ops.pro
index 2cb05ab..9ce80b3 100644
--- a/src/proto/ops.pro
+++ b/src/proto/ops.pro
@@ -4,7 +4,7 @@
 int get_op_char __ARGS((int optype));
 int get_extra_op_char __ARGS((int optype));
 void op_shift __ARGS((oparg_T *oap, int curs_top, int amount));
-void shift_line __ARGS((int left, int round, int amount));
+void shift_line __ARGS((int left, int round, int amount, int call_changed_bytes));
 void op_reindent __ARGS((oparg_T *oap, int (*how)(void)));
 int get_expr_register __ARGS((void));
 void set_expr_line __ARGS((char_u *new_line));