diff --git a/tools/launcher.lua b/tools/launcher.lua
index 079d208..886fc38 100644
--- a/tools/launcher.lua
+++ b/tools/launcher.lua
@@ -6,6 +6,7 @@ if hasLuv then
   luvLib.ref(signal)
   luvLib.signal_start(signal, 'sigint', function()
     luvLib.unref(signal)
+    signal:stop()
     engine:stop()
   end)
 end