diff --git a/lms/patches/v1_0/rename_evaluator_role.py b/lms/patches/v1_0/rename_evaluator_role.py
index ba8fffd4..26a1d759 100644
--- a/lms/patches/v1_0/rename_evaluator_role.py
+++ b/lms/patches/v1_0/rename_evaluator_role.py
@@ -2,5 +2,5 @@ import frappe
 
 
 def execute():
-	if frappe.db.exists("Role", "Class Evaluator"):
+	if frappe.db.exists("Role", "Class Evaluator") and not frappe.db.exists("Role", "Batch Evaluator"):
 		frappe.rename_doc("Role", "Class Evaluator", "Batch Evaluator")