diff --git a/pkg/common/storage/model/version_log.go b/pkg/common/storage/model/version_log.go
index 2091a3a29..6ed8d30f2 100644
--- a/pkg/common/storage/model/version_log.go
+++ b/pkg/common/storage/model/version_log.go
@@ -16,7 +16,7 @@ const (
 
 const (
 	VersionGroupChangeID = ""
-	VersionSortChangeID  = "$"
+	VersionSortChangeID  = "____S_O_R_T_I_D____"
 )
 
 type VersionLogElem struct {