diff --git a/shadowsocks-libev b/shadowsocks-libev
index a49b285..d7fc16b 100644
--- a/shadowsocks-libev
+++ b/shadowsocks-libev
@@ -93,6 +93,7 @@ do_stop() {
 
 do_restart() {
     do_stop
+    sleep 0.5
     do_start
 }
 
diff --git a/shadowsocks-libev-debian b/shadowsocks-libev-debian
index 2cdd0ff..b2ec0c5 100644
--- a/shadowsocks-libev-debian
+++ b/shadowsocks-libev-debian
@@ -92,6 +92,7 @@ do_stop() {
 
 do_restart() {
     do_stop
+    sleep 0.5
     do_start
 }