diff --git a/apps/emqx_rule_engine/src/emqx_rule_registry.erl b/apps/emqx_rule_engine/src/emqx_rule_registry.erl
index 328f7052d..e78f73c1e 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_registry.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_registry.erl
@@ -21,7 +21,7 @@
 -include("rule_engine.hrl").
 -include_lib("emqx/include/logger.hrl").
 
--logger_header("[RuleRegistry] ").
+-logger_header("[RuleRegistry]").
 
 -export([start_link/0]).