1 files changed, 1 insertions, 1 deletions
diff --git a/util.h b/util.h
index 474e11e..924392a 100644
--- a/util.h
+++ b/util.h
@@ -17,7 +17,7 @@ char *addr2string(struct sockaddr *addr);
 struct sockaddr *addr_copy(struct sockaddr *in);
 void port_set(struct sockaddr *sa, uint16_t port);
 
-void printfchars(char *prefixfmt, char *prefix, char *charfmt, char *chars, int len);
+void printfchars(char *prefixfmt, char *prefix, char *charfmt, uint8_t *chars, int len);
 void disable_DF_bit(int socket, struct addrinfo *res);
 int bindtoaddr(struct addrinfo *addrinfo, int family, int reuse, int v6only);
 int connecttcp(struct addrinfo *addrinfo, struct addrinfo *src, uint16_t timeout);