diff --git a/rally/plugins/openstack/scenarios/mistral/executions.py b/rally/plugins/openstack/scenarios/mistral/executions.py
index bf4ad27d..5c9a400b 100644
--- a/rally/plugins/openstack/scenarios/mistral/executions.py
+++ b/rally/plugins/openstack/scenarios/mistral/executions.py
@@ -59,8 +59,8 @@ class ListExecutions(utils.MistralScenario):
 @validation.add("required_services",
                 services=[consts.Service.MISTRAL])
 @validation.add("workbook_contains_workflow",
-                param_name="definition",
-                workflow_name="workflow_name")
+                workbook_param="definition",
+                workflow_param="workflow_name")
 @scenario.configure(name="MistralExecutions.create_execution_from_workbook",
                     context={"cleanup@openstack": ["mistral"]},
                     platform="openstack")
diff --git a/rally/plugins/openstack/validators.py b/rally/plugins/openstack/validators.py
index a1b3cbe8..ccbf2091 100644
--- a/rally/plugins/openstack/validators.py
+++ b/rally/plugins/openstack/validators.py
@@ -562,15 +562,15 @@ class VolumeTypeExistsValidator(validation.Validator):
 @validation.configure(name="workbook_contains_workflow", platform="openstack")
 class WorkbookContainsWorkflowValidator(validators.FileExistsValidator):
 
-    def __init__(self, param_name, workflow_name):
+    def __init__(self, workbook_param, workflow_param):
         """Validate that workflow exist in workbook when workflow is passed
 
-        :param param_name: parameter containing the workbook definition
-        :param workflow_name: parameter containing the workflow name
+        :param workbook_param: parameter containing the workbook definition
+        :param workflow_param: parameter containing the workflow name
         """
-        super(WorkbookContainsWorkflowValidator, self).__init__(workflow_name)
-        self.workbook = param_name
-        self.workflow = workflow_name
+        super(WorkbookContainsWorkflowValidator, self).__init__(workflow_param)
+        self.workbook = workbook_param
+        self.workflow = workflow_param
 
     def validate(self, config, credentials, plugin_cls, plugin_cfg):
         wf_name = config.get("args", {}).get(self.workflow)
diff --git a/tests/unit/plugins/openstack/test_validators.py b/tests/unit/plugins/openstack/test_validators.py
index 0a291be5..bddc8efc 100644
--- a/tests/unit/plugins/openstack/test_validators.py
+++ b/tests/unit/plugins/openstack/test_validators.py
@@ -954,7 +954,7 @@ class WorkbookContainsWorkflowValidatorTestCase(test.TestCase):
             }
         }
         validator = validators.WorkbookContainsWorkflowValidator(
-            param_name="definition", workflow_name="workflow_name")
+            workbook_param="definition", workflow_param="workflow_name")
 
         context = {
             "args": {