diff -Nur dcron-4.5.orig//crontab.c dcron-4.5/crontab.c
--- dcron-4.5.orig//crontab.c	2011-05-01 07:22:09.000000000 -0500
+++ dcron-4.5/crontab.c	2011-08-22 16:26:46.778225447 -0500
@@ -199,7 +199,7 @@
 				 * Read from repFd, write to fd for "$CDir/$USER.new"
 				 */
 				snprintf(path, sizeof(path), "%s.new", pas->pw_name);
-				if ((fd = open(path, O_CREAT|O_TRUNC|O_EXCL|O_APPEND|O_WRONLY, 0600)) >= 0) {
+				if ((fd = open(path, O_CREAT|O_TRUNC|O_APPEND|O_WRONLY, 0600)) >= 0) {
 					while ((n = read(repFd, buf, sizeof(buf))) > 0) {
 						write(fd, buf, n);
 					}