diff --git a/internal/gui/view/convertor.go b/internal/gui/view/convertor.go
index 37e70ff..eb7b2b9 100644
--- a/internal/gui/view/convertor.go
+++ b/internal/gui/view/convertor.go
@@ -107,6 +107,7 @@ func newFormConvertor(
 	formConvertor.form.Items = items
 	formConvertor.items = items
 	formConvertor.changeEncoder(selectEncoder.Encoder)
+	selectEncoder.ChangeEncoder = formConvertor.changeEncoder
 
 	return formConvertor
 }
@@ -259,6 +260,8 @@ type selectEncoder struct {
 	SelectFormat   *widget.Select
 	SelectEncoder  *widget.Select
 	Encoder        encoder2.EncoderContract
+
+	ChangeEncoder func(encoder encoder2.EncoderContract)
 }
 
 func (f *formConvertor) newSelectEncoder(formats encoder.ConvertorFormatsContract) *selectEncoder {
@@ -271,7 +274,9 @@ func (f *formConvertor) newSelectEncoder(formats encoder.ConvertorFormatsContrac
 		}
 		selectEncoderData := encoderMap[selectEncoder.SelectEncoder.SelectedIndex()]
 		selectEncoder.Encoder = selectEncoderData.NewEncoder()
-		f.changeEncoder(selectEncoder.Encoder)
+		if selectEncoder.ChangeEncoder != nil {
+			selectEncoder.ChangeEncoder(selectEncoder.Encoder)
+		}
 	})
 
 	formatSelected := ""