diff -ru langtag.orig/liblangtag/lt-messages.c langtag/liblangtag/lt-messages.c
--- UnpackedTarball/langtag.orig/liblangtag/lt-messages.c	2013-04-22 10:06:57.000000000 +0200
+++ UnpackedTarball/langtag/liblangtag/lt-messages.c	2013-04-30 11:38:04.116532065 +0200
@@ -85,13 +85,21 @@
 	clen = strlen(cs);
 	if (clen > 0) {
 		catstring = malloc(sizeof (char) * (clen + 6));
+#ifdef _WIN32
+		_snprintf(catstring, clen + 6, "[%s]: ", cs);
+#else
 		snprintf(catstring, clen + 6, "[%s]: ", cs);
+#endif
 		clen = strlen(catstring);
 	}
 	len = tlen + clen + 1;
 	retval = malloc(sizeof (char) * len);
 	if (retval) {
+#ifdef _WIN32
+		_snprintf(retval, len, "%s%s ", ts, catstring ? catstring : "");
+#else
 		snprintf(retval, len, "%s%s ", ts, catstring ? catstring : "");
+#endif
 	}
 	if (catstring)
 		free(catstring);