diff --git a/constants.go b/constants.go
index f3018b0..fb397b9 100644
--- a/constants.go
+++ b/constants.go
@@ -1,5 +1,7 @@
 package elasticsearch
 
-const SubjectSyncData = "elasticsearch_sync_data"
-const SubjectSearch = "elasticsearch_search"
-const SubjectUpdateDocument = "elasticsearch_update_document"
+const (
+	SubjectSyncData       = "elasticsearch/sync_data"
+	SubjectSearch         = "elasticsearch/search"
+	SubjectUpdateDocument = "elasticsearch/update_document"
+)