diff --git a/src/hev-main.c b/src/hev-main.c
index 3a5258c..e551186 100644
--- a/src/hev-main.c
+++ b/src/hev-main.c
@@ -8,6 +8,7 @@
  */
 
 #include <stdio.h>
+#include <signal.h>
 
 #include <lwip/init.h>
 
@@ -33,6 +34,12 @@ show_help (const char *self_path)
             MICRO_VERSION, COMMIT_ID);
 }
 
+static void
+sigint_handler (int signum)
+{
+    hev_socks5_tunnel_stop ();
+}
+
 int
 hev_socks5_tunnel_main (const char *config_path, int tun_fd)
 {
@@ -103,6 +110,8 @@ main (int argc, char *argv[])
         return -1;
     }
 
+    signal (SIGINT, sigint_handler);
+
     res = hev_socks5_tunnel_main (argv[1], -1);
     if (res < 0)
         return -2;
diff --git a/src/hev-socks5-tunnel.c b/src/hev-socks5-tunnel.c
index 420f61e..2748c16 100644
--- a/src/hev-socks5-tunnel.c
+++ b/src/hev-socks5-tunnel.c
@@ -57,12 +57,6 @@ static HevTask *task_lwip_io;
 static HevTask *task_lwip_timer;
 static HevList session_set;
 
-static void
-sigint_handler (int signum)
-{
-    hev_socks5_tunnel_stop ();
-}
-
 static int
 task_io_yielder (HevTaskYieldType type, void *data)
 {
@@ -509,13 +503,6 @@ lwip_timer_task_fini (void)
     }
 }
 
-static void
-signal_init (void)
-{
-    signal (SIGPIPE, SIG_IGN);
-    signal (SIGINT, sigint_handler);
-}
-
 int
 hev_socks5_tunnel_init (int tun_fd)
 {
@@ -543,7 +530,7 @@ hev_socks5_tunnel_init (int tun_fd)
     if (res < 0)
         goto exit;
 
-    signal_init ();
+    signal (SIGPIPE, SIG_IGN);
 
     hev_task_mutex_init (&mutex);