diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
index c199d18e..2de79e56 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
@@ -309,7 +309,7 @@ class MainActivity : AppCompatActivity() {
                 val speakerIcon = findViewById(R.id.speakerIcon) as ActionMenuItemView
                 if (am.isSpeakerphoneOn)
                     // speakerIcon.setIcon(ContextCompat.getDrawable(this, R.drawable.speaker_on))
-                    speakerIcon.setBackgroundColor(Color.rgb(0x04,0xb4, 0x04))
+                    speakerIcon.setBackgroundColor(Color.rgb(0x04, 0xb4, 0x04))
                 else
                     // speakerIcon.setBackgroundColor(resources.getColor(R.color.colorPrimary, applicationContext.theme))
                     speakerIcon.setBackgroundColor(resources.getColor(R.color.colorPrimary))