diff --git a/src/proto/ex_docmd.pro b/src/proto/ex_docmd.pro
index 50a2c0c..bfd4f05 100644
--- a/src/proto/ex_docmd.pro
+++ b/src/proto/ex_docmd.pro
@@ -4,7 +4,7 @@
 int do_cmdline(char_u *cmdline, char_u *(*fgetline)(int, void *, int), void *cookie, int flags);
 int getline_equal(char_u *(*fgetline)(int, void *, int), void *cookie, char_u *(*func)(int, void *, int));
 void *getline_cookie(char_u *(*fgetline)(int, void *, int), void *cookie);
-int parse_command_modifiers(exarg_T *eap, char_u **errormsg);
+int parse_command_modifiers(exarg_T *eap, char_u **errormsg, int skip_only);
 int parse_cmd_address(exarg_T *eap, char_u **errormsg);
 int checkforcmd(char_u **pp, char *cmd, int len);
 int modifier_len(char_u *cmd);