diff --git a/scenes/button-flat/nine-patch-button.gd b/scenes/button-flat/nine-patch-button.gd
index 10a93a27..7b9ed907 100644
--- a/scenes/button-flat/nine-patch-button.gd
+++ b/scenes/button-flat/nine-patch-button.gd
@@ -38,9 +38,10 @@ var _pressed: = false
 @export var disabled: bool = false:
     set(val):
         disabled = val
-        $button.set_disabled(val)
-        $back.disabled = val
-        $state.modulate.a = 0.5 if val else 1.0
+        if is_inside_tree():
+            $button.set_disabled(val)
+            $back.disabled = val
+            $state.modulate.a = 0.5 if val else 1.0
 
 
 @export var pressed: bool = false: