diff --git a/image/image_test.go b/image/image_test.go
index d576efa..a909cdb 100644
--- a/image/image_test.go
+++ b/image/image_test.go
@@ -29,7 +29,7 @@ func BenchmarkEncode(b *testing.B) {
 	}
 
 	for i := 0; i < b.N; i++ {
-		err := image.NewEncoder(io.Discard).Encode(img)
+		err := image.NewEncoder(io.Discard, 75).Encode(img)
 		if err != nil {
 			b.Fatal(err)
 		}