diff --git a/erpnext/hr/doctype/leave_allocation/leave_allocation.py b/erpnext/hr/doctype/leave_allocation/leave_allocation.py
index cbb6426..912f8f0 100755
--- a/erpnext/hr/doctype/leave_allocation/leave_allocation.py
+++ b/erpnext/hr/doctype/leave_allocation/leave_allocation.py
@@ -12,6 +12,8 @@
 	def validate(self):
 		self.validate_new_leaves_allocated_value()
 		self.check_existing_leave_allocation()
+		if not self.total_leaves_allocated:
+			self.total_leaves_allocated = self.new_leaves_allocated
 
 	def on_update_after_submit(self):
 		self.validate_new_leaves_allocated_value()