diff --git a/fluentd/fluent.conf b/fluentd/fluent.conf
index 5c6a474..876fbc9 100644
--- a/fluentd/fluent.conf
+++ b/fluentd/fluent.conf
@@ -35,7 +35,7 @@
     @type rewrite_tag_filter
     <rule>
       key container_name
-      pattern /(.+)/
+      pattern /\/(.+)/
       tag ${tag}.$1
     </rule>
   </store>