diff --git a/erpnext/projects/doctype/task/task.py b/erpnext/projects/doctype/task/task.py
index 6b16f02..2a7aedc 100644
--- a/erpnext/projects/doctype/task/task.py
+++ b/erpnext/projects/doctype/task/task.py
@@ -9,7 +9,7 @@
 
 from frappe.model.document import Document
 
-class ReferenceError(frappe.ValidationError): pass
+class CircularReferenceError(frappe.ValidationError): pass
 
 class Task(Document):
 	def get_feed(self):
@@ -82,7 +82,7 @@
 			
 	def check_recursion(self, task, task_list):
 		if task in task_list:
-			frappe.throw("Circular Reference Error", ReferenceError)
+			frappe.throw("Circular Reference Error", CircularReferenceError)
 		else :
 			task_list.append(task)
 			return frappe.db.get_value("Task", task, "depends_on")
diff --git a/erpnext/projects/doctype/task/test_task.py b/erpnext/projects/doctype/task/test_task.py
index f1038b4..30a64f2 100644
--- a/erpnext/projects/doctype/task/test_task.py
+++ b/erpnext/projects/doctype/task/test_task.py
@@ -7,7 +7,7 @@
 
 test_records = frappe.get_test_records('Task')
 
-from erpnext.projects.doctype.task.task import ReferenceError
+from erpnext.projects.doctype.task.task import CircularReferenceError
 
 class TestTask(unittest.TestCase):
 	def test_circular_refereence(self):
@@ -37,7 +37,7 @@
 		task1.update({
 			"depends_on": task3.name
 		})
-		self.assertRaises(ReferenceError, task1.save)
+		self.assertRaises(CircularReferenceError, task1.save)
 		
 	def test_reschedule_depending_task(self):
 		task1 =  frappe.new_doc('Task')