diff --git a/hledger-lib/Hledger/Data/Amount.hs b/hledger-lib/Hledger/Data/Amount.hs
index a64876a1a..55eb0a05f 100644
--- a/hledger-lib/Hledger/Data/Amount.hs
+++ b/hledger-lib/Hledger/Data/Amount.hs
@@ -166,7 +166,7 @@ instance Num Amount where
 
 -- | The empty simple amount.
 amount, nullamt :: Amount
-amount = Amount{acommodity="", aquantity=0, aprice=NoPrice, astyle=amountstyle, amultiplier=False}
+amount = Amount{acommodity="", aquantity=0, aprice=NoPrice, astyle=amountstyle, aismultiplier=False}
 nullamt = amount
 
 -- | A temporary value for parsed transactions which had no amount specified.
diff --git a/hledger-lib/Hledger/Data/TransactionModifier.hs b/hledger-lib/Hledger/Data/TransactionModifier.hs
index 6eb956338..78bec8841 100644
--- a/hledger-lib/Hledger/Data/TransactionModifier.hs
+++ b/hledger-lib/Hledger/Data/TransactionModifier.hs
@@ -47,7 +47,7 @@ import Hledger.Utils.Debug
 -- 0000/01/01
 --     ping           $1.00
 -- <BLANKLINE>
--- >>> putStr $ showTransaction $ transactionModifierToFunction (TransactionModifier "ping" ["pong" `post` amount{amultiplier=True, aquantity=3}]) nulltransaction{tpostings=["ping" `post` usd 2]}
+-- >>> putStr $ showTransaction $ transactionModifierToFunction (TransactionModifier "ping" ["pong" `post` amount{aismultiplier=True, aquantity=3}]) nulltransaction{tpostings=["ping" `post` usd 2]}
 -- 0000/01/01
 --     ping           $2.00
 --     pong           $6.00
@@ -111,7 +111,7 @@ tmPostingRuleToFunction pr =
 postingRuleMultiplier :: TMPostingRule -> Maybe Quantity
 postingRuleMultiplier p =
     case amounts $ pamount p of
-        [a] | amultiplier a -> Just $ aquantity a
+        [a] | aismultiplier a -> Just $ aquantity a
         _                   -> Nothing
 
 renderPostingCommentDates :: Posting -> Posting
diff --git a/hledger-lib/Hledger/Data/Types.hs b/hledger-lib/Hledger/Data/Types.hs
index 5ce37c94c..9ce46ed41 100644
--- a/hledger-lib/Hledger/Data/Types.hs
+++ b/hledger-lib/Hledger/Data/Types.hs
@@ -203,8 +203,8 @@ instance NFData Commodity
 data Amount = Amount {
       acommodity  :: CommoditySymbol,
       aquantity   :: Quantity,
-      amultiplier :: Bool,            -- ^ kludge: a flag marking this amount and posting as a multiplier
-                                      --   in a TMPostingRule. In a regular Posting, should always be false.
+      aismultiplier :: Bool,            -- ^ kludge: a flag marking this amount and posting as a multiplier
+                                        --   in a TMPostingRule. In a regular Posting, should always be false.
       astyle      :: AmountStyle,
       aprice      :: Price            -- ^ the (fixed, transaction-specific) price for this amount, if any
     } deriving (Eq,Ord,Typeable,Data,Generic,Show)
@@ -336,7 +336,7 @@ nulltransactionmodifier = TransactionModifier{
 
 -- | A transaction modifier transformation, which adds an extra posting
 -- to the matched posting's transaction.
--- Can be like a regular posting, or the amount can have the amultiplier flag set,
+-- Can be like a regular posting, or the amount can have the aismultiplier flag set,
 -- indicating that it's a multiplier for the matched posting's amount.
 type TMPostingRule = Posting
 
diff --git a/hledger-lib/Hledger/Read/Common.hs b/hledger-lib/Hledger/Read/Common.hs
index 660094f50..3c06fe1e8 100644
--- a/hledger-lib/Hledger/Read/Common.hs
+++ b/hledger-lib/Hledger/Read/Common.hs
@@ -630,7 +630,7 @@ amountwithoutpricep = do
     let numRegion = (offBeforeNum, offAfterNum)
     (q,prec,mdec,mgrps) <- lift $ interpretNumber numRegion suggestedStyle ambiguousRawNum mExponent
     let s = amountstyle{ascommodityside=L, ascommodityspaced=commodityspaced, asprecision=prec, asdecimalpoint=mdec, asdigitgroups=mgrps}
-    return $ nullamt{acommodity=c, aquantity=sign (sign2 q), amultiplier=mult, astyle=s, aprice=NoPrice}
+    return $ nullamt{acommodity=c, aquantity=sign (sign2 q), aismultiplier=mult, astyle=s, aprice=NoPrice}
 
   rightornosymbolamountp :: Bool -> (Decimal -> Decimal) -> JournalParser m Amount
   rightornosymbolamountp mult sign = label "amount" $ do
@@ -646,7 +646,7 @@ amountwithoutpricep = do
         suggestedStyle <- getAmountStyle c
         (q,prec,mdec,mgrps) <- lift $ interpretNumber numRegion suggestedStyle ambiguousRawNum mExponent
         let s = amountstyle{ascommodityside=R, ascommodityspaced=commodityspaced, asprecision=prec, asdecimalpoint=mdec, asdigitgroups=mgrps}
-        return $ nullamt{acommodity=c, aquantity=sign q, amultiplier=mult, astyle=s, aprice=NoPrice}
+        return $ nullamt{acommodity=c, aquantity=sign q, aismultiplier=mult, astyle=s, aprice=NoPrice}
       -- no symbol amount
       Nothing -> do
         suggestedStyle <- getDefaultAmountStyle
@@ -657,7 +657,7 @@ amountwithoutpricep = do
         let (c,s) = case (mult, defcs) of
               (False, Just (defc,defs)) -> (defc, defs{asprecision=max (asprecision defs) prec})
               _ -> ("", amountstyle{asprecision=prec, asdecimalpoint=mdec, asdigitgroups=mgrps})
-        return $ nullamt{acommodity=c, aquantity=sign q, amultiplier=mult, astyle=s, aprice=NoPrice}
+        return $ nullamt{acommodity=c, aquantity=sign q, aismultiplier=mult, astyle=s, aprice=NoPrice}
 
   -- For reducing code duplication. Doesn't parse anything. Has the type
   -- of a parser only in order to throw parse errors (for convenience).
diff --git a/hledger-lib/Hledger/Reports/MultiBalanceReports.hs b/hledger-lib/Hledger/Reports/MultiBalanceReports.hs
index 0ee1bf248..f782e6918 100644
--- a/hledger-lib/Hledger/Reports/MultiBalanceReports.hs
+++ b/hledger-lib/Hledger/Reports/MultiBalanceReports.hs
@@ -314,7 +314,7 @@ tests_MultiBalanceReports = tests "MultiBalanceReports" [
       (map showw aitems) `is` (map showw eitems)
       ((\(_, b, _) -> showMixedAmountDebug b) atotal) `is` (showMixedAmountDebug etotal) -- we only check the sum of the totals
     usd0 = usd 0
-    amount0 = Amount {acommodity="$", aquantity=0, aprice=NoPrice, astyle=AmountStyle {ascommodityside = L, ascommodityspaced = False, asprecision = 2, asdecimalpoint = Just '.', asdigitgroups = Nothing}, amultiplier=False}
+    amount0 = Amount {acommodity="$", aquantity=0, aprice=NoPrice, astyle=AmountStyle {ascommodityside = L, ascommodityspaced = False, asprecision = 2, asdecimalpoint = Just '.', asdigitgroups = Nothing}, aismultiplier=False}
   in 
    tests "multiBalanceReport" [
       test "null journal"  $