diff --git a/ledger/file_test.go b/ledger/file_test.go
index 33d6410..db4089a 100644
--- a/ledger/file_test.go
+++ b/ledger/file_test.go
@@ -52,7 +52,7 @@ func TestFileDeltas(t *testing.T) {
 	}
 	for i := range want {
 		if want[i] != deltas[i] {
-			t.Errorf("[%d] want=%+v, got=%+v", i, want[i], deltas[i])
+			t.Errorf("[%d] \n\twant=%+v, \n\t got=%+v", i, want[i], deltas[i])
 		}
 	}
 }