diff --git a/tests/oc-integration-tests/drone/storage-users-ocis.toml b/tests/oc-integration-tests/drone/storage-users-ocis.toml
index 0fc16622300..109095a4654 100644
--- a/tests/oc-integration-tests/drone/storage-users-ocis.toml
+++ b/tests/oc-integration-tests/drone/storage-users-ocis.toml
@@ -27,6 +27,7 @@ treesize_accounting = true
 permissionssvc = "localhost:10000"
 personalspacealias_template = "{{.SpaceType}}/{{.User.Username}}"
 generalspacealias_template = "{{.SpaceType}}/{{.SpaceName | replace \" \" \"-\" | lower}}"
+metadata_backend = "messagepack"
 
 # we have a locally running dataprovider
 [http]
@@ -41,3 +42,4 @@ root = "/drone/src/tmp/reva/data"
 treetime_accounting = true
 treesize_accounting = true
 permissionssvc = "localhost:10000"
+metadata_backend = "messagepack"
diff --git a/tests/oc-integration-tests/drone/storage-users-s3ng.toml b/tests/oc-integration-tests/drone/storage-users-s3ng.toml
index 3180ddc840b..db2f0ba336f 100644
--- a/tests/oc-integration-tests/drone/storage-users-s3ng.toml
+++ b/tests/oc-integration-tests/drone/storage-users-s3ng.toml
@@ -28,7 +28,7 @@ permissionssvc = "localhost:10000"
 "s3.bucket" = "test"
 "s3.access_key" = "test"
 "s3.secret_key" = "test"
-"metadata_backend" = "messagepack"
+"metadata_backend" = "xattrs"
 
 # we have a locally running dataprovider
 [http]
@@ -48,4 +48,4 @@ permissionssvc = "localhost:10000"
 "s3.bucket" = "test"
 "s3.access_key" = "test"
 "s3.secret_key" = "test"
-"metadata_backend" = "messagepack"
+"metadata_backend" = "xattrs"