--- draw.c.orig	2012-12-16 06:41:04.477405084 +0100
+++ draw.c	2012-12-16 06:41:34.027700813 +0100
@@ -95,7 +95,7 @@ DC *
 initdc(void) {
 	DC *dc;
 
-	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+	if(!setlocale(LC_CTYPE, NULL) || !XSupportsLocale())
 		fputs("no locale support\n", stderr);
 	if(!(dc = calloc(1, sizeof *dc)))
 		eprintf("cannot malloc %u bytes:", sizeof *dc);