diff --git a/kpasswd/kpasswdd.c b/kpasswd/kpasswdd.c
index 4b655c50b..31a187cf9 100644
--- a/kpasswd/kpasswdd.c
+++ b/kpasswd/kpasswdd.c
@@ -503,7 +503,7 @@ doit (int port)
     krb5_addresses addrs;
     unsigned n, i;
     fd_set real_fdset;
-    char *sa_buf;
+    void *sa_buf;
     int sa_max_size;
     struct sockaddr *sa;