diff --git a/hledger-lib/Hledger/Data/Posting.hs b/hledger-lib/Hledger/Data/Posting.hs
index bb51f6f56..720760907 100644
--- a/hledger-lib/Hledger/Data/Posting.hs
+++ b/hledger-lib/Hledger/Data/Posting.hs
@@ -26,6 +26,7 @@ import Hledger.Data.Dates (nulldate, spanContainsDate)
 
 instance Show Posting where show = showPosting
 
+nullposting :: Posting
 nullposting = Posting False "" nullmixedamt "" RegularPosting [] Nothing
 
 showPosting :: Posting -> String