--- /tmp/cronolog.c	2003-10-13 12:35:17.000000000 +0000
+++ src/cronolog.c	2003-10-13 12:36:36.000000000 +0000
@@ -82,6 +82,8 @@
  * written to "file" (e.g. /dev/console) or to stderr if "file" is "-".
  */
 
+#define _GNU_SOURCE	1
+
 #include "cronoutils.h"
 #include "getopt.h"
 
@@ -394,13 +396,13 @@
 	   timestamp(*pnext_period), *pnext_period,
 	   *pnext_period - time_now));
     
-    log_fd = open(pfilename, O_WRONLY|O_CREAT|O_APPEND, FILE_MODE);
+    log_fd = open(pfilename, O_WRONLY|O_CREAT|O_APPEND|O_LARGEFILE, FILE_MODE);
     
 #ifndef DONT_CREATE_SUBDIRS
     if ((log_fd < 0) && (errno == ENOENT))
     {
 	create_subdirs(pfilename);
-	log_fd = open(pfilename, O_WRONLY|O_CREAT|O_APPEND, FILE_MODE);
+	log_fd = open(pfilename, O_WRONLY|O_CREAT|O_APPEND|O_LARGEFILE, FILE_MODE);
     }
 #endif