diff --git a/storage/pkg/command/storagedrivers/home.go b/storage/pkg/command/storagedrivers/home.go
index ccac2f85d1..1f41bdb126 100644
--- a/storage/pkg/command/storagedrivers/home.go
+++ b/storage/pkg/command/storagedrivers/home.go
@@ -115,15 +115,18 @@ func HomeDrivers(cfg *config.Config) map[string]interface{} {
 			"bucket":     cfg.Reva.UserStorage.S3.Bucket,
 		},
 		"s3ng": map[string]interface{}{
-			"root":          cfg.Reva.UserStorage.S3NG.Root,
-			"enable_home":   true,
-			"user_layout":   cfg.Reva.UserStorage.S3NG.UserLayout,
-			"share_folder":  cfg.Reva.UserStorage.S3NG.ShareFolder,
-			"s3.region":     cfg.Reva.UserStorage.S3NG.Region,
-			"s3.access_key": cfg.Reva.UserStorage.S3NG.AccessKey,
-			"s3.secret_key": cfg.Reva.UserStorage.S3NG.SecretKey,
-			"s3.endpoint":   cfg.Reva.UserStorage.S3NG.Endpoint,
-			"s3.bucket":     cfg.Reva.UserStorage.S3NG.Bucket,
+			"root":                cfg.Reva.UserStorage.S3NG.Root,
+			"enable_home":         true,
+			"user_layout":         cfg.Reva.UserStorage.S3NG.UserLayout,
+			"treetime_accounting": true,
+			"treesize_accounting": true,
+			"owner":               cfg.Reva.UserStorage.S3NG.ServiceUserUUID, // the accounts service system account uuid
+			"share_folder":        cfg.Reva.UserStorage.S3NG.ShareFolder,
+			"s3.region":           cfg.Reva.UserStorage.S3NG.Region,
+			"s3.access_key":       cfg.Reva.UserStorage.S3NG.AccessKey,
+			"s3.secret_key":       cfg.Reva.UserStorage.S3NG.SecretKey,
+			"s3.endpoint":         cfg.Reva.UserStorage.S3NG.Endpoint,
+			"s3.bucket":           cfg.Reva.UserStorage.S3NG.Bucket,
 		},
 	}
 }
diff --git a/storage/pkg/command/storagedrivers/user.go b/storage/pkg/command/storagedrivers/user.go
index 9fe3f8b982..84fdcb9533 100644
--- a/storage/pkg/command/storagedrivers/user.go
+++ b/storage/pkg/command/storagedrivers/user.go
@@ -117,15 +117,18 @@ func UserDrivers(cfg *config.Config) map[string]interface{} {
 			"prefix":      cfg.Reva.UserStorage.S3.Root,
 		},
 		"s3ng": map[string]interface{}{
-			"root":          cfg.Reva.UserStorage.S3NG.Root,
-			"enable_home":   false,
-			"user_layout":   cfg.Reva.UserStorage.S3NG.UserLayout,
-			"share_folder":  cfg.Reva.UserStorage.S3NG.ShareFolder,
-			"s3.region":     cfg.Reva.UserStorage.S3NG.Region,
-			"s3.access_key": cfg.Reva.UserStorage.S3NG.AccessKey,
-			"s3.secret_key": cfg.Reva.UserStorage.S3NG.SecretKey,
-			"s3.endpoint":   cfg.Reva.UserStorage.S3NG.Endpoint,
-			"s3.bucket":     cfg.Reva.UserStorage.S3NG.Bucket,
+			"root":                cfg.Reva.UserStorage.S3NG.Root,
+			"enable_home":         false,
+			"user_layout":         cfg.Reva.UserStorage.S3NG.UserLayout,
+			"share_folder":        cfg.Reva.UserStorage.S3NG.ShareFolder,
+			"treetime_accounting": true,
+			"treesize_accounting": true,
+			"owner":               cfg.Reva.UserStorage.S3NG.ServiceUserUUID, // the accounts service system account uuid
+			"s3.region":           cfg.Reva.UserStorage.S3NG.Region,
+			"s3.access_key":       cfg.Reva.UserStorage.S3NG.AccessKey,
+			"s3.secret_key":       cfg.Reva.UserStorage.S3NG.SecretKey,
+			"s3.endpoint":         cfg.Reva.UserStorage.S3NG.Endpoint,
+			"s3.bucket":           cfg.Reva.UserStorage.S3NG.Bucket,
 		},
 	}
 }
diff --git a/storage/pkg/config/config.go b/storage/pkg/config/config.go
index 43c57b21c6..09746d9944 100644
--- a/storage/pkg/config/config.go
+++ b/storage/pkg/config/config.go
@@ -2093,6 +2093,10 @@ func structMappings(cfg *Config) []shared.EnvBinding {
 			EnvVars:     []string{"STORAGE_USERS_DRIVER_S3NG_LAYOUT"},
 			Destination: &cfg.Reva.UserStorage.S3NG.UserLayout,
 		},
+		{
+			EnvVars:     []string{"STORAGE_USERS_DRIVER_S3NG_SERVICE_USER_UUID"},
+			Destination: &cfg.Reva.UserStorage.S3NG.ServiceUserUUID,
+		},
 		{
 			EnvVars:     []string{"STORAGE_USERS_DRIVER_S3NG_SHARE_FOLDER"},
 			Destination: &cfg.Reva.UserStorage.S3NG.ShareFolder,