diff --git a/erpnext/projects/doctype/task/task.py b/erpnext/projects/doctype/task/task.py
index 492eabe..c98b64d 100755
--- a/erpnext/projects/doctype/task/task.py
+++ b/erpnext/projects/doctype/task/task.py
@@ -164,7 +164,7 @@
 		if self.status not in ('Cancelled', 'Completed') and self.exp_end_date:
 			from datetime import datetime
 			if self.exp_end_date < datetime.now().date():
-				self.db_set('status', 'Overdue')
+				self.db_set('status', 'Overdue', update_modified=False)
 				self.update_project()
 
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