diff --git a/hledger-lib/Hledger/Data/Transaction.hs b/hledger-lib/Hledger/Data/Transaction.hs
index 6f15f6de8..c7ebe8101 100644
--- a/hledger-lib/Hledger/Data/Transaction.hs
+++ b/hledger-lib/Hledger/Data/Transaction.hs
@@ -20,6 +20,7 @@ module Hledger.Data.Transaction (
   transaction,
   txnTieKnot,
   txnUntieKnot,
+  transactionCheckBalanced,
   -- * operations
   showAccountName,
   hasRealPostings,