diff --git a/lib/nack/server.rb b/lib/nack/server.rb
index <HASH>..<HASH> 100644
--- a/lib/nack/server.rb
+++ b/lib/nack/server.rb
@@ -91,6 +91,7 @@ module Nack
 
         if ppid != Process.ppid
           debug "Process is orphaned"
+          return
         end
 
         next unless readable
Break from event loop if process is orphaned