diff --git a/erpnext/projects/doctype/task/task.py b/erpnext/projects/doctype/task/task.py
index 855e200..63db6cd 100755
--- a/erpnext/projects/doctype/task/task.py
+++ b/erpnext/projects/doctype/task/task.py
@@ -44,10 +44,11 @@
 		if self.act_start_date and self.act_end_date and getdate(self.act_start_date) > getdate(self.act_end_date):
 			frappe.throw(_("'Actual Start Date' can not be greater than 'Actual End Date'"))
 
-		doc = frappe.get_doc("Project", self.project)
-		if  self.exp_end_date and doc.expected_end_date and getdate(self.exp_end_date) > getdate(doc.expected_end_date) :
-			frappe.msgprint(_("Expected end date cannot be after Project: <b>'{0}'</b> Expected end date").format(doc.name))
-			raise EndDateConnotGreaterThanProjecteEndDateError
+		if(self.project):
+			doc = frappe.get_doc("Project", self.project)
+			if  self.exp_end_date and doc.expected_end_date and getdate(self.exp_end_date) > getdate(doc.expected_end_date) :
+				frappe.msgprint(_("Expected end date cannot be after Project: <b>'{0}'</b> Expected end date").format(doc.name))
+				raise EndDateConnotGreaterThanProjecteEndDateError
 
 	def validate_status(self):
 		if self.status!=self.get_db_value("status") and self.status == "Closed":
diff --git a/erpnext/projects/doctype/task/test_task.py b/erpnext/projects/doctype/task/test_task.py
index 058f6b8..1585e79 100644
--- a/erpnext/projects/doctype/task/test_task.py
+++ b/erpnext/projects/doctype/task/test_task.py
@@ -9,7 +9,7 @@
 
 class TestTask(unittest.TestCase):
 	def test_circular_reference(self):
-		task1 = create_task("_Test Task 1", nowdate(), add_days(nowdate(), 10))
+		task1 = create_task("_Test Task 1", add_days(nowdate(), -15), add_days(nowdate(), -10))
 		task2 = create_task("_Test Task 2", add_days(nowdate(), 11), add_days(nowdate(), 15), task1.name)
 		task3 = create_task("_Test Task 3", add_days(nowdate(), 11), add_days(nowdate(), 15), task2.name)
 
@@ -98,15 +98,15 @@
 		self.assertEqual(frappe.db.get_value("Task", task.name, "status"), "Overdue")
 
 	def test_end_date_validation(self):
-		task_end = create_task("Testing_Enddate_validation", add_days(nowdate(), -10), add_days(nowdate(), 5), save=False)
+		task_end = create_task("Testing_Enddate_validation", add_days(nowdate(), 35), add_days(nowdate(), 45), save=False)
 		pro = frappe.get_doc("Project", task_end.project)
-		pro.expected_end_date = add_days(nowdate(), 20)
+		pro.expected_end_date = add_days(nowdate(), 40)
 		pro.save()
 		self.assertRaises(EndDateConnotGreaterThanProjecteEndDateError, task_end.save)
 
 
 
-def create_task(subject, start=None, end=None, save=True, depends_on=None, project=None):
+def create_task(subject, start=None, end=None, depends_on=None, project=None, save=True):
 	if not frappe.db.exists("Task", subject):
 		task = frappe.new_doc('Task')
 		task.status = "Open"