diff --git a/ledger/file.go b/ledger/file.go
index cdd8b6b..3cb1351 100644
--- a/ledger/file.go
+++ b/ledger/file.go
@@ -49,7 +49,7 @@ func (file File) Deltas(like ...Like) ([]Delta, error) {
 				transaction.date,
 				transaction.description,
 				transaction.payee,
-				value,
+				-1.0*value,
 				currency,
 			)
 			if likes(like).all(delta) {