diff --git a/scenes/button-flat/nine-patch-button.gd b/scenes/button-flat/nine-patch-button.gd
index 9c2ccb24..f80739b7 100644
--- a/scenes/button-flat/nine-patch-button.gd
+++ b/scenes/button-flat/nine-patch-button.gd
@@ -5,7 +5,6 @@ extends PanelContainer
 func set_text(val: String): $button.set_text(val)
 func set_pressed(val: bool): $button.set_pressed(val)
 func set_disabled(val: bool): disabled = val
-func button_connect(button_signal: String, proc: Callable): $button.connect(button_signal, proc)
 func get_text(): return $button.get_text()
 func is_pressed(): return $button.is_pressed()
 func is_toggle_mode(): return $button.is_toggle_mode()
@@ -56,6 +55,12 @@ func is_toggle_mode(): return $button.is_toggle_mode()
         return toggle_mode
 
 
+func button_connect(button_signal: String, proc: Callable):
+    var rc = $button.connect(button_signal, proc)
+    if rc != Error.OK:
+        push_error('возникла ошибка \"%s\" при подключении сигнала \"%s\" к обработчику \"%s\"' % [error_string(rc), button_signal, proc])
+
+
 func _on_resized() -> void:
     $back.scale = size
     $back.material.set('shader_parameter/scale', size / Vector2(20.0, 20.0))