diff --git a/erpnext/accounts/doctype/pos_invoice/pos_invoice.py b/erpnext/accounts/doctype/pos_invoice/pos_invoice.py
index 6cda626..11d59bc 100644
--- a/erpnext/accounts/doctype/pos_invoice/pos_invoice.py
+++ b/erpnext/accounts/doctype/pos_invoice/pos_invoice.py
@@ -15,7 +15,7 @@
 	update_multi_mode_option,
 )
 from erpnext.accounts.party import get_due_date, get_party_account
-from erpnext.stock.doctype.batch.batch import get_pos_reserved_batch_qty
+from erpnext.stock.doctype.batch.batch import get_batch_qty, get_pos_reserved_batch_qty
 from erpnext.stock.doctype.serial_no.serial_no import get_pos_reserved_serial_nos, get_serial_nos
 
 
@@ -131,7 +131,7 @@
 	def validate_pos_reserved_batch_qty(self, item):
 		filters = {"item_code": item.item_code, "warehouse": item.warehouse, "batch_no":item.batch_no}
 
-		available_batch_qty = frappe.db.get_value('Batch', item.batch_no, 'batch_qty')
+		available_batch_qty = get_batch_qty(item.batch_no, item.warehouse, item.item_code)
 		reserved_batch_qty = get_pos_reserved_batch_qty(filters)
 
 		bold_item_name = frappe.bold(item.item_name)
diff --git a/erpnext/stock/doctype/batch/batch.py b/erpnext/stock/doctype/batch/batch.py
index 77e53c5..5593101 100644
--- a/erpnext/stock/doctype/batch/batch.py
+++ b/erpnext/stock/doctype/batch/batch.py
@@ -335,4 +335,5 @@
 		(item.batch_no == filters.get('batch_no'))
 	).run()
 
-	return reserved_batch_qty[0][0]
\ No newline at end of file
+	flt_reserved_batch_qty = flt(reserved_batch_qty[0][0])
+	return flt_reserved_batch_qty
\ No newline at end of file