diff --git a/development.ini b/development.ini
--- a/development.ini
+++ b/development.ini
@@ -57,8 +57,8 @@ max_request_body_size = 107374182400
 #proc_name = rhodecode
 ## type of worker class, one of sync, eventlet, gevent, tornado
 ## recommended for bigger setup is using of of other than sync one
-#worker-class = sync
-#max-requests = 5
+#worker_class = sync
+#max_requests = 5
 
 ## COMMON ##
 host = 0.0.0.0
diff --git a/production.ini b/production.ini
--- a/production.ini
+++ b/production.ini
@@ -57,8 +57,8 @@ max_request_body_size = 107374182400
 #proc_name = rhodecode
 ## type of worker class, one of sync, eventlet, gevent, tornado
 ## recommended for bigger setup is using of of other than sync one
-#worker-class = sync
-#max-requests = 5
+#worker_class = sync
+#max_requests = 5
 
 ## COMMON ##
 host = 127.0.0.1
diff --git a/rhodecode/config/deployment.ini_tmpl b/rhodecode/config/deployment.ini_tmpl
--- a/rhodecode/config/deployment.ini_tmpl
+++ b/rhodecode/config/deployment.ini_tmpl
@@ -57,8 +57,8 @@ max_request_body_size = 107374182400
 #proc_name = rhodecode
 ## type of worker class, one of sync, eventlet, gevent, tornado
 ## recommended for bigger setup is using of of other than sync one
-#worker-class = sync
-#max-requests = 5
+#worker_class = sync
+#max_requests = 5
 
 ## COMMON ##
 host = 127.0.0.1