diff --git a/config_automation.yml b/config_automation.yml
index 6dc3708..da4d39f 100644
--- a/config_automation.yml
+++ b/config_automation.yml
@@ -23,5 +23,5 @@ render-coursera: no
 
 # What docker image should be used for rendering?
 # The default is jhudsl/base_ottr:latest
-rendering-docker-image: 'jhudsl/ottr_jupyter:latest'
+rendering_docker_image: 'jhudsl/ottr_jupyter:latest'