diff --git a/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py b/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
index 7e5cac9..cc55bd6 100644
--- a/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
+++ b/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
@@ -133,7 +133,7 @@
 	def calculate_total_qty(self, save=True):
 		self.total_qty = 0.0
 		for d in self.entries:
-			d.qty = abs(d.qty) if d.qty else 0
+			d.qty = 1 if self.has_serial_no and abs(d.qty) > 1 else abs(d.qty) if d.qty else 0
 			d.stock_value_difference = abs(d.stock_value_difference) if d.stock_value_difference else 0
 			if self.type_of_transaction == "Outward":
 				d.qty *= -1