1 files changed, 1 insertions, 1 deletions

diff --git a/st.h b/st.h
index 09473c2..3d9b6e7 100644
--- a/st.h
+++ b/st.h
@@ -209,7 +209,7 @@ void selnormalize(void);
 int selected(int, int);
 char *getsel(void);
 
-size_t utf8decode(char *, Rune *, size_t);
+size_t utf8decode(const char *, Rune *, size_t);
 size_t utf8encode(Rune, char *);
 
 void *xmalloc(size_t);