diff --git a/etc/logging.conf-sample b/etc/logging.conf-sample
index 8b76da2663..edfd3f64d2 100644
--- a/etc/logging.conf-sample
+++ b/etc/logging.conf-sample
@@ -15,11 +15,13 @@ handlers=console
 level=DEBUG
 handlers=debug,normal
 qualname=zuul
+propagate=0
 
 [logger_gerrit]
 level=DEBUG
 handlers=debug,normal
 qualname=gerrit
+propagate=0
 
 [handler_console]
 level=WARNING