diff --git a/bitbake/lib/bb/main.py b/bitbake/lib/bb/main.py
index 443f5ec2fd..3ff43cf9ae 100755
--- a/bitbake/lib/bb/main.py
+++ b/bitbake/lib/bb/main.py
@@ -367,6 +367,7 @@ def start_server(servermodule, configParams, configuration, features):
         raise
     if not configParams.foreground:
         server.detach()
+        cooker.shutdown()
     cooker.lock.close()
     return server