diff -r 2b5a26ddbb69 -r 31a8779e91d4 libpurple/protocols/msn/msnutils.c
--- a/libpurple/protocols/msn/msnutils.c	Tue May 06 18:27:58 2014 +0200
+++ b/libpurple/protocols/msn/msnutils.c	Wed May 07 11:07:45 2014 +0200
@@ -581,7 +581,7 @@
 	len = strlen(buf);
 	if ((len % 8) != 0) {
 		int fix = 8 - (len % 8);
-		memset(&buf[len], '0', fix);
+		strncpy(&buf[len], "00000000", fix);
 		buf[len + fix] = '\0';
 		len += fix;
 	}