diff --git a/src/bs11_config.c b/src/bs11_config.c
index 3da0c52..57ed902 100644
--- a/src/bs11_config.c
+++ b/src/bs11_config.c
@@ -790,7 +790,7 @@
 	status_timer.cb = status_timer_cb;
 
 	while (1) {
-		bsc_select_main();
+		bsc_select_main(0);
 	}
 
 	abis_nm_bs11_factory_logon(g_bts, 0);
diff --git a/src/bsc_hack.c b/src/bsc_hack.c
index cd3ca41..797c627 100644
--- a/src/bsc_hack.c
+++ b/src/bsc_hack.c
@@ -1123,6 +1123,6 @@
 	signal(SIGABRT, &signal_handler);
 
 	while (1) {
-		bsc_select_main();
+		bsc_select_main(0);
 	}
 }
diff --git a/src/ipaccess-config.c b/src/ipaccess-config.c
index 964d618..b74e46e 100644
--- a/src/ipaccess-config.c
+++ b/src/ipaccess-config.c
@@ -188,7 +188,7 @@
 	}
 	
 	while (1) {
-		rc = bsc_select_main();
+		rc = bsc_select_main(0);
 		if (rc < 0)
 			exit(3);
 	}
diff --git a/src/ipaccess-find.c b/src/ipaccess-find.c
index 32f42e9..b3e9814 100644
--- a/src/ipaccess-find.c
+++ b/src/ipaccess-find.c
@@ -170,7 +170,7 @@
 	printf("Trying to find ip.access BTS by broadcast UDP...\n");
 
 	while (1) {
-		rc = bsc_select_main();
+		rc = bsc_select_main(0);
 		if (rc < 0)
 			exit(3);
 	}
diff --git a/src/select.c b/src/select.c
index 157e235..11b7e6b 100644
--- a/src/select.c
+++ b/src/select.c
@@ -53,11 +53,12 @@
 	llist_del(&fd->list);
 }
 
-int bsc_select_main()
+int bsc_select_main(int polling)
 {
 	struct bsc_fd *ufd, *tmp;
 	fd_set readset, writeset, exceptset;
-	int i;
+	int work = 0, rc;
+	struct timeval no_time = {0, 0};
 
 	FD_ZERO(&readset);
 	FD_ZERO(&writeset);
@@ -75,10 +76,11 @@
 			FD_SET(ufd->fd, &exceptset);
 	}
 
-	bsc_prepare_timers();
-	i = select(maxfd+1, &readset, &writeset, &exceptset, bsc_nearest_timer());
-	if (i < 0)
-		return i;
+	if (!polling)
+		bsc_prepare_timers();
+	rc = select(maxfd+1, &readset, &writeset, &exceptset, polling ? &no_time : bsc_nearest_timer());
+	if (rc < 0)
+		return 0;
 
 	/* fire timers */
 	bsc_update_timers();
@@ -96,8 +98,10 @@
 		if (FD_ISSET(ufd->fd, &exceptset))
 			flags |= BSC_FD_EXCEPT;
 
-		if (flags)
+		if (flags) {
+			work = 1;
 			ufd->cb(ufd, flags);
+		}
 	}
-	return i;
+	return work;
 }