diff --git a/scene/gui/spin_box.cpp b/scene/gui/spin_box.cpp
index c5b9df15b9d..751edc5a433 100644
--- a/scene/gui/spin_box.cpp
+++ b/scene/gui/spin_box.cpp
@@ -192,7 +192,7 @@ void SpinBox::_notification(int p_what) {
 
 		int w = updown->get_width();
 		if (w != last_w) {
-			line_edit->set_margin(MARGIN_RIGHT, w);
+			line_edit->set_margin(MARGIN_RIGHT, -w);
 			last_w = w;
 		}