diff --git a/erpnext/accounts/doctype/payment_entry/payment_entry.js b/erpnext/accounts/doctype/payment_entry/payment_entry.js
index 07761c7..2843824 100644
--- a/erpnext/accounts/doctype/payment_entry/payment_entry.js
+++ b/erpnext/accounts/doctype/payment_entry/payment_entry.js
@@ -904,7 +904,7 @@
 			function(d) { return flt(d.amount) }));
 
 		frm.set_value("difference_amount", difference_amount - total_deductions +
-			frm.doc.base_total_taxes_and_charges);
+			flt(frm.doc.base_total_taxes_and_charges));
 
 		frm.events.hide_unhide_fields(frm);
 	},