diff --git a/erpnext/accounts/report/accounts_receivable/accounts_receivable.py b/erpnext/accounts/report/accounts_receivable/accounts_receivable.py
index 0fd41f4..6235f66 100644
--- a/erpnext/accounts/report/accounts_receivable/accounts_receivable.py
+++ b/erpnext/accounts/report/accounts_receivable/accounts_receivable.py
@@ -143,7 +143,7 @@
 
 		if self.filters.account:
 			conditions.append("account=%s")
-			values.apppend(self.filters.account)
+			values.append(self.filters.account)
 		else:
 			account_map = self.get_account_map()
 			if not account_map: