diff --git a/stackrc b/stackrc
index 789fc82..91f4e2b 100644
--- a/stackrc
+++ b/stackrc
@@ -29,6 +29,13 @@
 # Set the default Nova APIs to enable
 NOVA_ENABLED_APIS=ec2,osapi_compute,metadata
 
+# Whether to use 'dev mode' for screen windows. Dev mode works by
+# stuffing text into the screen windows so that a developer can use
+# ctrl-c, up-arrow, enter to restart the service. Starting services
+# this way is slightly unreliable, and a bit slower, so this can
+# be disabled for automated testing by setting this value to false.
+SCREEN_DEV=True
+
 # Repositories
 # ------------