diff --git a/erpnext/controllers/stock_controller.py b/erpnext/controllers/stock_controller.py
index 17bd735..17707ec 100644
--- a/erpnext/controllers/stock_controller.py
+++ b/erpnext/controllers/stock_controller.py
@@ -27,6 +27,7 @@
 		if not self.get('is_return'):
 			self.validate_inspection()
 		self.validate_serialized_batch()
+		self.clean_serial_nos()
 		self.validate_customer_provided_item()
 		self.set_rate_of_stock_uom()
 		self.validate_internal_transfer()
@@ -72,6 +73,12 @@
 					frappe.throw(_("Row #{0}: The batch {1} has already expired.")
 						.format(d.idx, get_link_to_form("Batch", d.get("batch_no"))))
 
+	def clean_serial_nos(self):
+		for row in self.get("items"):
+			if hasattr(row, "serial_no") and row.serial_no:
+				# replace commas by linefeed and remove all spaces in string
+				row.serial_no = row.serial_no.replace(",", "\n").replace(" ", "")
+
 	def get_gl_entries(self, warehouse_account=None, default_expense_account=None,
 			default_cost_center=None):
 
diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 5475383..b9fa9b7 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -732,7 +732,7 @@
 				this.frm.trigger("item_code", cdt, cdn);
 			}
 			else {
-				// Replacing all occurences of comma with carriage return
+				// Replace all occurences of comma with line feed
 				item.serial_no = item.serial_no.replace(/,/g, '\n');
 				item.conversion_factor = item.conversion_factor || 1;
 				refresh_field("serial_no", item.name, item.parentfield);
diff --git a/erpnext/stock/doctype/serial_no/serial_no.py b/erpnext/stock/doctype/serial_no/serial_no.py
index bad7b60..70312bc 100644
--- a/erpnext/stock/doctype/serial_no/serial_no.py
+++ b/erpnext/stock/doctype/serial_no/serial_no.py
@@ -165,8 +165,14 @@
 				)
 			ORDER BY
 				posting_date desc, posting_time desc, creation desc""",
-			(self.item_code, self.company,
-				serial_no, serial_no+'\n%', '%\n'+serial_no, '%\n'+serial_no+'\n%'), as_dict=1):
+			(
+				self.item_code, self.company,
+				serial_no,
+				serial_no+'\n%',
+				'%\n'+serial_no,
+				'%\n'+serial_no+'\n%'
+			),
+			as_dict=1):
 				if serial_no.upper() in get_serial_nos(sle.serial_no):
 					if cint(sle.actual_qty) > 0:
 						sle_dict.setdefault("incoming", []).append(sle)
diff --git a/erpnext/stock/doctype/serial_no/test_serial_no.py b/erpnext/stock/doctype/serial_no/test_serial_no.py
index cde7fe0..b9a58cf 100644
--- a/erpnext/stock/doctype/serial_no/test_serial_no.py
+++ b/erpnext/stock/doctype/serial_no/test_serial_no.py
@@ -174,5 +174,23 @@
 		self.assertEqual(sn_doc.warehouse, "_Test Warehouse - _TC")
 		self.assertEqual(sn_doc.purchase_document_no, se.name)
 
+	def test_serial_no_sanitation(self):
+		"Test if Serial No input is sanitised before entering the DB."
+		item_code = "_Test Serialized Item"
+		test_records = frappe.get_test_records('Stock Entry')
+
+		se = frappe.copy_doc(test_records[0])
+		se.get("items")[0].item_code = item_code
+		se.get("items")[0].qty = 3
+		se.get("items")[0].serial_no = " _TS1, _TS2 , _TS3  "
+		se.get("items")[0].transfer_qty = 3
+		se.set_stock_entry_type()
+		se.insert()
+		se.submit()
+
+		self.assertEqual(se.get("items")[0].serial_no, "_TS1\n_TS2\n_TS3")
+
+		frappe.db.rollback()
+
 	def tearDown(self):
 		frappe.db.rollback()
\ No newline at end of file
diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index 654755e..3ff42bf 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -76,6 +76,7 @@
 		self.validate_difference_account()
 		self.set_job_card_data()
 		self.set_purpose_for_stock_entry()
+		self.clean_serial_nos()
 		self.validate_duplicate_serial_no()
 
 		if not self.from_bom:
diff --git a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
index 2e09286..324bb7a 100644
--- a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
+++ b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
@@ -31,6 +31,7 @@
 		self.validate_expense_account()
 		self.validate_customer_provided_item()
 		self.set_zero_value_for_customer_provided_items()
+		self.clean_serial_nos()
 		self.set_total_qty_and_amount()
 		self.validate_putaway_capacity()