diff --git a/src/UI/UI.gd b/src/UI/UI.gd
index 8bb061e26..bdfc99df1 100644
--- a/src/UI/UI.gd
+++ b/src/UI/UI.gd
@@ -18,6 +18,9 @@ func _on_main_canvas_visibility_changed() -> void:
 
 func update_transparent_shader() -> void:
 	# Works independently of the transparency feature
+	var canvas_size: Vector2 = (main_canvas_container.rect_size - Vector2.DOWN * 2) * Global.shrink
 	material.set("shader_param/screen_resolution", get_viewport().size)
-	material.set("shader_param/position", main_canvas_container.rect_global_position)
-	material.set("shader_param/size", main_canvas_container.rect_size - Vector2.ONE * 2)
+	material.set(
+		"shader_param/position", main_canvas_container.rect_global_position * Global.shrink
+	)
+	material.set("shader_param/size", canvas_size)