diff --git a/src/pkg/go/scanner/errors.go b/src/pkg/go/scanner/errors.go
index 8a75a96508..22de69c3c1 100644
--- a/src/pkg/go/scanner/errors.go
+++ b/src/pkg/go/scanner/errors.go
@@ -120,7 +120,7 @@ func PrintError(w io.Writer, err error) {
 		for _, e := range list {
 			fmt.Fprintf(w, "%s\n", e)
 		}
-	} else {
+	} else if err != nil {
 		fmt.Fprintf(w, "%s\n", err)
 	}
 }