diff --git a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
index 2d844bb..c114c52 100644
--- a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
+++ b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
@@ -18,29 +18,23 @@
 	def get_jv_entries(self):
 		self.check_mandatory_to_fetch()
 		dr_or_cr = "credit" if self.party_type == "Customer" else "debit"
-		if self.party_type=="Customer":
-			amount_query = "ifnull(t2.credit, 0) - ifnull(t2.debit, 0)"
-		else:
-			amount_query = "ifnull(t2.debit, 0) - ifnull(t2.credit, 0)"
-			
-		cond = self.check_condition(amount_query)
+
+		cond = self.check_condition(dr_or_cr)
 
 		bank_account_condition = "t2.against_account like %(bank_cash_account)s" \
 				if self.bank_cash_account else "1=1"
 
 		jv_entries = frappe.db.sql("""
 			select
-				t1.name as voucher_no, t1.posting_date, t1.remark, t2.account, 
-				t2.name as voucher_detail_no, {amount_query} as payment_amount, t2.is_advance
+				t1.name as voucher_no, t1.posting_date, t1.remark, t2.account,
+				t2.name as voucher_detail_no, {dr_or_cr} as payment_amount, t2.is_advance
 			from
 				`tabJournal Voucher` t1, `tabJournal Voucher Detail` t2
 			where
 				t1.name = t2.parent and t1.docstatus = 1 and t2.docstatus = 1
-				and t2.account = %(party_account)s and {amount_query} > 0 
-				and ifnull((select ifnull(sum(ifnull(credit, 0) - ifnull(debit, 0)), 0) from `tabJournal Voucher Detail` 
-					where parent=t1.name and account=t2.account and docstatus=1 group by account), 0) > 0
-				and ifnull(t2.against_voucher, '')='' and ifnull(t2.against_invoice, '')='' 
-				and ifnull(t2.against_jv, '')='' {cond} 
+				and t2.account = %(party_account)s and {dr_or_cr} > 0
+				and ifnull(t2.against_voucher, '')='' and ifnull(t2.against_invoice, '')=''
+				and ifnull(t2.against_jv, '')='' {cond}
 				and (CASE
 					WHEN t1.voucher_type in ('Debit Note', 'Credit Note')
 					THEN 1=1
@@ -50,7 +44,6 @@
 				"dr_or_cr": dr_or_cr,
 				"cond": cond,
 				"bank_account_condition": bank_account_condition,
-				"amount_query": amount_query
 			}), {
 				"party_account": self.party_account,
 				"bank_cash_account": "%%%s%%" % self.bank_cash_account
@@ -73,49 +66,42 @@
 		#Fetch JVs, Sales and Purchase Invoices for 'payment_reconciliation_invoices' to reconcile against
 		non_reconciled_invoices = []
 		dr_or_cr = "debit" if self.party_type == "Customer" else "credit"
-		if self.party_type=="Customer":
-			amount_query = "ifnull(debit, 0) - ifnull(credit, 0)"
-		else:
-			amount_query = "ifnull(credit, 0) - ifnull(debit, 0)"
-		
-		cond = self.check_condition(amount_query)
+		cond = self.check_condition(dr_or_cr)
 
 		invoice_list = frappe.db.sql("""
 			select
-				voucher_no, voucher_type, posting_date, 
-				ifnull(sum({amount_query}), 0) as invoice_amount
+				voucher_no, voucher_type, posting_date,
+				ifnull(sum({dr_or_cr}), 0) as invoice_amount
 			from
 				`tabGL Entry`
 			where
-				account = %s and {amount_query} > 0 {cond}
+				account = %s and {dr_or_cr} > 0 {cond}
 			group by voucher_type, voucher_no
 		""".format(**{
 			"cond": cond,
-			"amount_query": amount_query
+			"dr_or_cr": dr_or_cr
 		}), (self.party_account), as_dict=True)
 
 		for d in invoice_list:
 			payment_amount = frappe.db.sql("""
 				select
-					ifnull(sum(ifnull({amount_query}, 0)), 0)
+					ifnull(sum(ifnull({0}, 0)), 0)
 				from
 					`tabGL Entry`
 				where
-					account = %s and {amount_query} < 0 
+					account = %s and {0} > 0
 					and against_voucher_type = %s and ifnull(against_voucher, '') = %s
-			""".format(**{
-				"cond": cond,
-				"amount_query": amount_query
-			}), (self.party_account, d.voucher_type, d.voucher_no))
-			
+			""".format("credit" if self.party_type == "Customer" else "debit"),
+			(self.party_account, d.voucher_type, d.voucher_no))
+
 			payment_amount = -1*payment_amount[0][0] if payment_amount else 0
 
 			if d.invoice_amount > payment_amount:
 				non_reconciled_invoices.append({
-					'voucher_no': d.voucher_no, 
-					'voucher_type': d.voucher_type, 
-					'posting_date': d.posting_date, 
-					'invoice_amount': flt(d.invoice_amount), 
+					'voucher_no': d.voucher_no,
+					'voucher_type': d.voucher_type,
+					'posting_date': d.posting_date,
+					'invoice_amount': flt(d.invoice_amount),
 					'outstanding_amount': d.invoice_amount - payment_amount})
 
 		self.add_invoice_entries(non_reconciled_invoices)
@@ -123,7 +109,7 @@
 	def add_invoice_entries(self, non_reconciled_invoices):
 		#Populate 'payment_reconciliation_invoices' with JVs and Invoices to reconcile against
 		self.set('payment_reconciliation_invoices', [])
-		
+
 		for e in non_reconciled_invoices:
 			ent = self.append('payment_reconciliation_invoices', {})
 			ent.invoice_type = e.get('voucher_type')
@@ -166,14 +152,14 @@
 	def validate_invoice(self):
 		if not self.get("payment_reconciliation_invoices"):
 			frappe.throw(_("No records found in the Invoice table"))
-			
+
 		if not self.get("payment_reconciliation_payments"):
 			frappe.throw(_("No records found in the Payment table"))
-			
+
 		unreconciled_invoices = frappe._dict()
 		for d in self.get("payment_reconciliation_invoices"):
 			unreconciled_invoices.setdefault(d.invoice_type, {}).setdefault(d.invoice_number, d.outstanding_amount)
-		
+
 		invoices_to_reconcile = []
 		for p in self.get("payment_reconciliation_payments"):
 			if p.invoice_type and p.invoice_number:
@@ -189,13 +175,13 @@
 		if not invoices_to_reconcile:
 			frappe.throw(_("Please select Invoice Type and Invoice Number in atleast one row"))
 
-	def check_condition(self, amount_query):
+	def check_condition(self, dr_or_cr):
 		cond = self.from_date and " and posting_date >= '" + self.from_date + "'" or ""
 		cond += self.to_date and " and posting_date <= '" + self.to_date + "'" or ""
 
 		if self.minimum_amount:
-			cond += " and {0} >= %s".format(amount_query) % self.minimum_amount
+			cond += " and {0} >= %s".format(dr_or_cr) % self.minimum_amount
 		if self.maximum_amount:
-			cond += " and {0} <= %s".format(amount_query) % self.maximum_amount
+			cond += " and {0} <= %s".format(dr_or_cr) % self.maximum_amount
 
-		return cond 
\ No newline at end of file
+		return cond