diff --git a/erpnext/accounts/doctype/payment_request/payment_request.js b/erpnext/accounts/doctype/payment_request/payment_request.js
index 51ff50b..1f0e9bc 100644
--- a/erpnext/accounts/doctype/payment_request/payment_request.js
+++ b/erpnext/accounts/doctype/payment_request/payment_request.js
@@ -16,18 +16,20 @@
 })
 
 frappe.ui.form.on("Payment Request", "refresh", function(frm) {
-	frm.add_custom_button(__('Resend Payment Email'), function(){
-		frappe.call({
-			method: "erpnext.accounts.doctype.payment_request.payment_request.resend_payment_email",
-			args: {"docname": frm.doc.name},
-			freeze: true,
-			freeze_message: __("Sending"),
-			callback: function(r){
-				if(!r.exc) {
-					frappe.msgprint(__("Message Sent"));
+	if(!in_list(["Initiated", "Paid"], frm.doc.status) && !frm.doc.__islocal){
+		frm.add_custom_button(__('Resend Payment Email'), function(){
+			frappe.call({
+				method: "erpnext.accounts.doctype.payment_request.payment_request.resend_payment_email",
+				args: {"docname": frm.doc.name},
+				freeze: true,
+				freeze_message: __("Sending"),
+				callback: function(r){
+					if(!r.exc) {
+						frappe.msgprint(__("Message Sent"));
+					}
 				}
-			}
+			});
 		});
-	});
+	}
 });
 
diff --git a/erpnext/accounts/doctype/payment_request/payment_request.py b/erpnext/accounts/doctype/payment_request/payment_request.py
index 0ef6aa3..92ffc22 100644
--- a/erpnext/accounts/doctype/payment_request/payment_request.py
+++ b/erpnext/accounts/doctype/payment_request/payment_request.py
@@ -209,11 +209,11 @@
 	"""get amount based on doctype"""
 	if dt == "Sales Order":
 		base_grand_total = flt(ref_doc.base_grand_total)
-		grand_total = flt(ref_doc.grand_total) - flt(ref_doc.advance_paid)
+		grand_total = flt(ref_doc.base_grand_total) - flt(ref_doc.advance_paid) / flt(ref_doc.conversion_rate)
 
 	if dt == "Sales Invoice":
 		base_grand_total = flt(ref_doc.base_grand_total)
-		grand_total = flt(ref_doc.grand_total) - flt(ref_doc.advance_paid)
+		grand_total = flt(ref_doc.base_grand_total) - flt(ref_doc.outstanding_amount) / flt(ref_doc.conversion_rate)
 	
 	if base_grand_total > 0 and grand_total > 0 :
 		return base_grand_total, grand_total