diff --git a/Hledger/Interest.hs b/Hledger/Interest.hs
--- a/Hledger/Interest.hs
+++ b/Hledger/Interest.hs
@@ -53,7 +53,7 @@
   let posts = [ p | p <- tpostings ts, interestAcc == paccount p ]
   forM_ posts $ \p -> do
     bal <- gets balance
-    modify (\st -> st { balance = normaliseMixedAmountSquashPricesForDisplay (bal + pamount p) })
+    modify (\st -> st { balance = bal + pamount p })
 
 computeInterest :: Day -> Computer ()
 computeInterest day = do
diff --git a/hledger-interest.cabal b/hledger-interest.cabal
--- a/hledger-interest.cabal
+++ b/hledger-interest.cabal
@@ -1,5 +1,5 @@
 Name:                   hledger-interest
-Version:                1.6.2
+Version:                1.6.3
 Synopsis:               computes interest for a given account
 License:                BSD3
 License-file:           LICENSE
@@ -11,9 +11,9 @@
 Cabal-version:          >= 1.10
 Extra-source-files:     README.md
 Stability:              stable
-tested-with:            GHC == 8.2.2, GHC == 8.4.4, GHC == 8.6.5, GHC == 8.8.4
-                      , GHC == 8.10.4
+tested-with:            GHC == 8.4.4, GHC == 8.6.5, GHC == 8.8.4, GHC == 8.10.7
 
+
 Description:
  hledger-interest is a small command-line utility based on Simon
  Michael's hleder library. Its purpose is to compute interest for a
@@ -119,7 +119,7 @@
 Executable hledger-interest
   default-language:     Haskell2010
   Main-is:              Main.hs
-  Build-depends:        base >= 3 && < 5, hledger-lib == 1.22.*, time, mtl, Cabal, Decimal, text
+  Build-depends:        base >= 3 && < 5, hledger-lib == 1.23.*, time, mtl, Cabal, Decimal, text
   other-modules:        Hledger.Interest
                         Hledger.Interest.DayCountConvention
                         Hledger.Interest.Rate