diff -Nru a/acpid.c b/acpid.c
--- a/acpid.c	2008-11-03 14:04:43.000000000 +0100
+++ b/acpid.c	2008-12-19 18:38:14.291127677 +0100
@@ -456,7 +456,7 @@
 	int log_opts;
 
 	/* open /dev/null */
-	nullfd = open("/dev/null", O_RDONLY);
+	nullfd = open("/dev/null", O_RDWR);
 	if (nullfd < 0) {
 		fprintf(stderr, "%s: can't open %s: %s\n", progname, 
 			"/dev/null", strerror(errno));