1 files changed, 1 insertions, 0 deletions
diff --git a/lib/generator.rb b/lib/generator.rb
index 1086e0fbe4..bf50004c83 100644
--- a/lib/generator.rb
+++ b/lib/generator.rb
@@ -81,6 +81,7 @@ class Generator
         @main_thread.wakeup
       end
     end
+    Thread.pass # ensure @loop_thread to be stopped
     self
   end