diff --git a/basyx.submodelregistry/open-api/patch-base-extensions.yaml b/basyx.submodelregistry/open-api/patch-base-extensions.yaml
index 9bf76df17..dab515fe5 100644
--- a/basyx.submodelregistry/open-api/patch-base-extensions.yaml
+++ b/basyx.submodelregistry/open-api/patch-base-extensions.yaml
@@ -97,7 +97,7 @@
   value: "^(0|[1-9][0-9]{0,3})$"
 - op: replace
   path: /components/schemas/AdministrativeInformation/allOf/1/properties/templateId/pattern
-  value: "^([\\t\\n\\r \\ud7ff\\ue000-\\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
+  value: "^([\\x09\\x0a\\x0d\\x20-\\ud7ff\\ue000-\\ufffd]|\\ud800[\\udc00-\\udfff]|[\\ud801-\\udbfe][\\udc00-\\udfff]|\\udbff[\\udc00-\\udfff])*$"
 ## EmbeddedDataSpecification
 - op: replace
   path: /components/schemas/EmbeddedDataSpecification/properties/dataSpecificationContent/$ref