Use a setter to set the Work error

1 files changed, 2 insertions, 2 deletions

diff --git a/filter/str/string.go b/filter/str/string.go
index 37f49f6..f6087be 100644
--- a/filter/str/string.go
+++ b/filter/str/string.go
@@ -46,7 +46,7 @@ func (f *StringFilter) Filter(w *work.Work) *work.Work {
 	}
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "Error when decoding JSON: %q\n", err)
-		w.Err = err
+		w.SetError(err)
 		return w
 	}
 
@@ -64,7 +64,7 @@ func (f *StringFilter) Filter(w *work.Work) *work.Work {
 		bs, err := json.Marshal(jm)
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "Error when marshaling JSON: %q\n", err)
-			w.Err = err
+			w.SetError(err)
 		} else {
 			w.Data = bs
 		}