1 files changed, 1 insertions, 1 deletions
diff --git a/utils.h b/utils.h
index 0853943..8f67823 100644
--- a/utils.h
+++ b/utils.h
@@ -54,7 +54,7 @@ static inline void clearenv(void)
 
 int uh_urldecode(char *buf, int blen, const char *src, int slen);
 int uh_urlencode(char *buf, int blen, const char *src, int slen);
-int uh_b64decode(char *buf, int blen, const unsigned char *src, int slen);
+int uh_b64decode(char *buf, int blen, const void *src, int slen);
 bool uh_path_match(const char *prefix, const char *url);
 char *uh_split_header(char *str);