diff --git a/scripts/autoload/ui_sound_service.gd b/scripts/autoload/ui_sound_service.gd
index 49dca3c..21b2ce9 100644
--- a/scripts/autoload/ui_sound_service.gd
+++ b/scripts/autoload/ui_sound_service.gd
@@ -88,7 +88,8 @@ func _next_available_player() -> AudioStreamPlayer:
 
 
 func _on_node_added(node: Node) -> void:
-	call_deferred("_wire_node", node)
+	if node is Button:
+		_wire_button(node)
 
 
 func _wire_existing_buttons() -> void:
diff --git a/scripts/ui/ccs_player.gd b/scripts/ui/ccs_player.gd
index 7015e93..fc760a2 100644
--- a/scripts/ui/ccs_player.gd
+++ b/scripts/ui/ccs_player.gd
@@ -917,6 +917,7 @@ func _elapsed_simulated_text(minutes: int) -> String:
 
 
 func _duration_text(seconds: int) -> String:
+	@warning_ignore("integer_division")
 	return "%02d:%02d" % [seconds / 60, seconds % 60]