diff -Nur dcron-4.5.orig//defs.h dcron-4.5/defs.h
--- dcron-4.5.orig//defs.h	2011-05-01 07:22:09.000000000 -0500
+++ dcron-4.5/defs.h	2011-08-22 16:28:35.343956248 -0500
@@ -73,7 +73,7 @@
 #define CRONUPDATE	"cron.update"
 #endif
 #ifndef TMPDIR
-#define TMPDIR		"/tmp"
+#define TMPDIR		"/run/cron"
 #endif
 
 #ifndef SENDMAIL