diff --git a/deploy/docker/Dockerfile b/deploy/docker/Dockerfile
index 1bcc9f30c..56ed7b214 100644
--- a/deploy/docker/Dockerfile
+++ b/deploy/docker/Dockerfile
@@ -16,7 +16,7 @@ FROM builder_${SOURCE_TYPE} as builder
 
 ARG PROFILE=emqx
 ARG IS_ELIXIR=no
-ARG DEBUG=0
+ARG DEBUG
 
 ENV EMQX_RELUP=false
 ENV EMQX_REL_FORM='docker'