diff --git a/config/unicorn_launcher b/config/unicorn_launcher
index 60e20cf898b..96c0e68a1e5 100755
--- a/config/unicorn_launcher
+++ b/config/unicorn_launcher
@@ -26,7 +26,7 @@ function on_reload()
 export UNICORN_SUPERVISOR_PID=$$
 
 trap on_exit EXIT
-trap on_reload USR2
+trap on_reload USR2 HUP
 
 unicorn $@ &
 UNICORN_PID=$!