diff --git a/src/proto/getchar.pro b/src/proto/getchar.pro
index 897cad3..e90b505 100644
--- a/src/proto/getchar.pro
+++ b/src/proto/getchar.pro
@@ -15,6 +15,7 @@
 void AppendCharToRedobuff __ARGS((int c));
 void AppendNumberToRedobuff __ARGS((long n));
 void stuffReadbuff __ARGS((char_u *s));
+void stuffRedoReadbuff __ARGS((char_u *s));
 void stuffReadbuffLen __ARGS((char_u *s, long len));
 void stuffReadbuffSpec __ARGS((char_u *s));
 void stuffcharReadbuff __ARGS((int c));