diff --git a/backend/modules/integrations/usecase/module.go b/backend/modules/integrations/usecase/module.go
index b1507e7a5..25327802b 100644
--- a/backend/modules/integrations/usecase/module.go
+++ b/backend/modules/integrations/usecase/module.go
@@ -167,7 +167,7 @@ func (u *moduleUsecase) Create(ctx context.Context, req dto.CreateModuleRequest)
 	}
 
 	if _,err:= u.opensearch.Create(ctx,os_dto.CreateIndexPatternRequest{
-		PatternModule: &req.ModuleName,
+		PatternModule: &req.DataType,
 	});err!=nil{
 		//opensearch insertion fails, rolling back database
 		if err:=u.repo.Delete(ctx,m.ID);err!=nil{
diff --git a/backend/pkg/constants/custom_integrations.go b/backend/pkg/constants/custom_integrations.go
index b6386cbde..749bab07e 100644
--- a/backend/pkg/constants/custom_integrations.go
+++ b/backend/pkg/constants/custom_integrations.go
@@ -1,5 +1,5 @@
 package constants
 
 const(
-	CUSTOM_INDEX_PREFIX = "custom";
+	CUSTOM_INDEX_PREFIX = "v11-log";
 )