diff --git a/mix.exs b/mix.exs
index c1a3298..32c1f3a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -98,6 +98,7 @@ defmodule BoomNotifier.MixProject do
   end
 
   defp run_e2e(_) do
-    Mix.shell().cmd("cd test/example_app && mix deps.get && mix test")
+    exit_status = Mix.shell().cmd("cd test/example_app && mix deps.get && mix test")
+    exit({:shutdown, exit_status})
   end
 end