diff --git a/scene/gui/spin_box.cpp b/scene/gui/spin_box.cpp
index 429040563e3..68d3d5f8c3a 100644
--- a/scene/gui/spin_box.cpp
+++ b/scene/gui/spin_box.cpp
@@ -497,6 +497,10 @@ void SpinBox::_notification(int p_what) {
 			_update_buttons_state_for_current_value();
 		} break;
 
+		case NOTIFICATION_READY: {
+			connect(CoreStringName(changed), callable_mp(this, &SpinBox::_update_buttons_state_for_current_value));
+		} break;
+
 		case NOTIFICATION_VISIBILITY_CHANGED:
 			drag.allowed = false;
 			[[fallthrough]];