diff --git a/main.c b/main.c
index 431c660..fbfa626 100644
--- a/main.c
+++ b/main.c
@@ -141,6 +141,7 @@ static int pcp_inet_fd; /* inet domain socket fd for PCP */
 static char pcp_conf_file[POOLMAXPATHLEN+1]; /* path for pcp.conf */
 static char conf_file[POOLMAXPATHLEN+1];
 static char hba_file[POOLMAXPATHLEN+1];
+static char log_file[POOLMAXPATHLEN+1]; /* redirection file of stdout/stderr when running as daemon */
 
 static int exiting = 0;		/* non 0 if I'm exiting */
 static int switching = 0;		/* non 0 if I'm fail overing or degenerating */
@@ -194,6 +195,7 @@ int main(int argc, char **argv)
 		{"config-file", required_argument, NULL, 'f'},
 		{"pcp-file", required_argument, NULL, 'F'},
 		{"help", no_argument, NULL, 'h'},
+		{"log", required_argument, NULL, 'l'},		
 		{"mode", required_argument, NULL, 'm'},
 		{"dont-detach", no_argument, NULL, 'n'},
 		{"discard-status", no_argument, NULL, 'D'},
@@ -207,8 +209,10 @@ int main(int argc, char **argv)
 	snprintf(conf_file, sizeof(conf_file), "%s/%s", DEFAULT_CONFIGDIR, POOL_CONF_FILE_NAME);
 	snprintf(pcp_conf_file, sizeof(pcp_conf_file), "%s/%s", DEFAULT_CONFIGDIR, PCP_PASSWD_FILE_NAME);
 	snprintf(hba_file, sizeof(hba_file), "%s/%s", DEFAULT_CONFIGDIR, HBA_CONF_FILE_NAME);
+	snprintf(log_file, sizeof(log_file), "%s", DEFAULT_LOG_FILE);
 
-    while ((opt = getopt_long(argc, argv, "a:cdf:F:hm:nDv", long_options, &optindex)) != -1)
+
+    while ((opt = getopt_long(argc, argv, "a:cdf:F:hl:m:nDv", long_options, &optindex)) != -1)
 	{
 		switch (opt)
 		{
@@ -252,6 +256,15 @@ int main(int argc, char **argv)
 				exit(0);
 				break;
 
+			case 'l':   /* specify log file */
+				if (!optarg)
+				{
+					usage();
+					exit(1);
+				}
+				strncpy(log_file, optarg, sizeof(log_file));
+				break;
+
 			case 'm':	/* stop mode */
 				if (!optarg)
 				{
@@ -758,7 +771,7 @@ static void daemonize(void)
 
 	rc_chdir = chdir("/");
 
-	i = open("/dev/null", O_RDWR);
+	i = open(log_file, O_RDWR|O_CREAT|O_APPEND, S_IRUSR|S_IWUSR);
 	dup2(i, 0);
 	dup2(i, 1);
 	dup2(i, 2);
diff --git a/pool.h b/pool.h
index 9716c02..3aafc75 100644
--- a/pool.h
+++ b/pool.h
@@ -66,6 +66,9 @@
 /* pid file name */
 #define DEFAULT_PID_FILE_NAME "/var/run/pgpool/pgpool.pid"
 
+/* daemon log file */
+#define DEFAULT_LOG_FILE "/dev/null"
+
 /* status file name */
 #define STATUS_FILE_NAME "pgpool_status"