diff --git a/document.py b/document.py
index 5d9ecc7..80b1d5a 100644
--- a/document.py
+++ b/document.py
@@ -534,7 +534,7 @@ class Incoming(metaclass=PoolMeta):
                 ('ram:ExemptionReason', 'reason'),
                 ('ram:BasisAmount', 'base', Decimal),
                 ('ram:LineTotalBasisAmount', 'basetotal', Decimal),
-                ('ram:AllowanceChargeBasisAmount', 'feebase', Decimal),
+                ('ram:AllowanceChargeBasisAmount', 'allowancebase', Decimal),
                 ('ram:CategoryCode', 'category_code'),
                 ('ram:ExemptionReasonCode', 'reason_code'),
                 ('ram:TaxPointDate', 'taxdate', date),
@@ -868,7 +868,7 @@ class Incoming(metaclass=PoolMeta):
                 ('ram:ExemptionReason', 'reason'),
                 ('ram:BasisAmount', 'base', Decimal),
                 ('ram:LineTotalBasisAmount', 'basetotal', Decimal),
-                ('ram:AllowanceChargeBasisAmount', 'feebase', Decimal),
+                ('ram:AllowanceChargeBasisAmount', 'allowancebase', Decimal),
                 ('ram:CategoryCode', 'category_code'),
                 ('ram:ExemptionReasonCode', 'reason_code'),
                 ('ram:TaxPointDate', 'taxdate', date),