diff --git a/src/ac/ac_main.c b/src/ac/ac_main.c
index 42d0e5a8..88a5eecb 100644
--- a/src/ac/ac_main.c
+++ b/src/ac/ac_main.c
@@ -34,10 +34,19 @@
 
 #include "socklist.h"
 
-
+#include "db.h"
 
 int ac_run();
 
+void alive_thread(void *data)
+{
+	while(1){
+		sleep(5);
+		db_ping();
+	}
+}
+
+
 int main (int argc, const char * argv[]) 
 {
 //	send_image_file(0,"/home/tube/Downloads/c1130-rcvk9w8-tar.124-25e.JAP.tar");
@@ -65,6 +74,9 @@ int main (int argc, const char * argv[])
 	db_init();
 	db_start();
 	db_ping();
+
+	pthread_t alth;
+	pthread_create (&alth, NULL, alive_thread, (void *)0);
 	
 
 #ifdef WITH_DTLS