diff --git a/hledger-lib/Hledger/Read/JournalReader.hs b/hledger-lib/Hledger/Read/JournalReader.hs
index 37b034869..d747b51e4 100644
--- a/hledger-lib/Hledger/Read/JournalReader.hs
+++ b/hledger-lib/Hledger/Read/JournalReader.hs
@@ -481,7 +481,7 @@ periodictransactionp = do
   lift $ skipMany spacenonewline
   -- a period expression
   off <- getOffset
-  pos <- getPosition
+  pos <- getSourcePos
   
   -- if there's a default year in effect, use Y/1/1 as base for partial/relative dates
   today <- liftIO getCurrentDay