diff --git a/roles/manage/templates/metadata_configuration/oidc10_rp.schema.json.j2 b/roles/manage/templates/metadata_configuration/oidc10_rp.schema.json.j2
index d96babb26..c017164e5 100644
--- a/roles/manage/templates/metadata_configuration/oidc10_rp.schema.json.j2
+++ b/roles/manage/templates/metadata_configuration/oidc10_rp.schema.json.j2
@@ -227,7 +227,8 @@
             },
             "urn:mace:surf.nl:attribute-def:surf-autorisaties": {
               "$ref": "#/definitions/ArpAttribute",
-              "alias": "urn:oid:1.3.6.1.4.1.1076.20.100.10.50.10"
+              "alias": "urn:oid:1.3.6.1.4.1.1076.20.100.10.50.10",
+              "multiplicity": true
             },
             "urn:mace:dir:attribute-def:isMemberOf": {
               "$ref": "#/definitions/ArpAttribute",
diff --git a/roles/manage/templates/metadata_configuration/saml20_sp.schema.json.j2 b/roles/manage/templates/metadata_configuration/saml20_sp.schema.json.j2
index 8855a090c..60ff3e8b9 100644
--- a/roles/manage/templates/metadata_configuration/saml20_sp.schema.json.j2
+++ b/roles/manage/templates/metadata_configuration/saml20_sp.schema.json.j2
@@ -271,7 +271,8 @@
             },
             "urn:mace:surf.nl:attribute-def:surf-autorisaties": {
               "$ref": "#/definitions/ArpAttribute",
-              "alias": "urn:oid:1.3.6.1.4.1.1076.20.100.10.50.10"
+              "alias": "urn:oid:1.3.6.1.4.1.1076.20.100.10.50.10",
+              "multiplicity": true
             },
             "urn:mace:dir:attribute-def:isMemberOf": {
               "$ref": "#/definitions/ArpAttribute",
diff --git a/roles/manage/templates/metadata_configuration/single_tenant_template.schema.json.j2 b/roles/manage/templates/metadata_configuration/single_tenant_template.schema.json.j2
index 8a5be8e4b..6811d5b80 100644
--- a/roles/manage/templates/metadata_configuration/single_tenant_template.schema.json.j2
+++ b/roles/manage/templates/metadata_configuration/single_tenant_template.schema.json.j2
@@ -219,7 +219,8 @@
             },
             "urn:mace:surf.nl:attribute-def:surf-autorisaties": {
               "$ref": "#/definitions/ArpAttribute",
-              "alias": "urn:oid:1.3.6.1.4.1.1076.20.100.10.50.10"
+              "alias": "urn:oid:1.3.6.1.4.1.1076.20.100.10.50.10",
+              "multiplicity": true
             },
             "urn:mace:dir:attribute-def:isMemberOf": {
               "$ref": "#/definitions/ArpAttribute",