diff --git a/openbrokerapi/api.py b/openbrokerapi/api.py
index d20c121..db74a71 100644
--- a/openbrokerapi/api.py
+++ b/openbrokerapi/api.py
@@ -124,6 +124,13 @@ def error_handler_bad_request(e):
             description=constants.DEFAULT_BAD_REQUEST_ERROR_MESSAGE
         )), HTTPStatus.BAD_REQUEST
 
+    @openbroker.errorhandler(errors.ErrUnauthorized)
+    def error_handler_unauthorized(e):
+        logger.exception(e)
+        return to_json_response(ErrorResponse(
+            description=str(e)
+        )), HTTPStatus.UNAUTHORIZED
+
     @openbroker.route("/v2/catalog", methods=['GET'])
     def catalog():
         """
diff --git a/openbrokerapi/errors.py b/openbrokerapi/errors.py
index e429ca3..9b8c9a0 100644
--- a/openbrokerapi/errors.py
+++ b/openbrokerapi/errors.py
@@ -68,3 +68,10 @@ class ErrBadRequest(ServiceException):
     """
     def __init__(self, msg='Malformed or missing data'):
         super().__init__(msg)
+
+class ErrUnauthorized(ServiceException):
+    """
+    Raise if authorization is missing or is not valid
+    """
+    def __init__(self, msg='Unauthorized'):
+        super().__init__(msg)
\ No newline at end of file
diff --git a/tests/test_bad_request.py b/tests/test_bad_request.py
index ead83f1..f1a1749 100644
--- a/tests/test_bad_request.py
+++ b/tests/test_bad_request.py
@@ -107,14 +107,27 @@ def test_unbind_is_called_with_the_right_values(self):
 
         self.assert400(response)
 
-    def test_deprovisioning_is_called_with_the_right_values(self):
-        self.broker.deprovision.side_effect = errors.ErrBadRequest('BadRequest')
+    def test_provisioning_unathorized(self):
+        self.broker.provision.side_effect = errors.ErrUnauthorized('Unauthorized')
 
-        response = self.client.delete(
-            "/v2/service_instances/here_instance_id?service_id=service-guid-here&plan_id=plan-guid-here&accepts_incomplete=true",
+        response = self.client.put(
+            "/v2/service_instances/here-instance-id?accepts_incomplete=true",
+            data=json.dumps({
+                "service_id": "service-guid-here",
+                "plan_id": "plan-guid-here",
+                "organization_guid": "org-guid-here",
+                "space_guid": "space-guid-here",
+                "parameters": {
+                    "parameter1": 1
+                },
+                "context": {
+                    "organization_guid": "org-guid-here",
+                    "space_guid": "space-guid-here",
+                }
+            }),
             headers={
                 'X-Broker-Api-Version': '2.13',
+                'Content-Type': 'application/json',
                 'Authorization': self.auth_header
             })
-
-        self.assert400(response)
\ No newline at end of file
+        self.assert401(response)
\ No newline at end of file