diff --git a/scene/resources/style_box.cpp b/scene/resources/style_box.cpp
index 7328fbdb107..cdb0ec51110 100644
--- a/scene/resources/style_box.cpp
+++ b/scene/resources/style_box.cpp
@@ -911,7 +911,7 @@ void StyleBoxFlat::_bind_methods() {
 
 	ADD_GROUP("Shadow", "shadow_");
 	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "shadow_color"), "set_shadow_color", "get_shadow_color");
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "shadow_size"), "set_shadow_size", "get_shadow_size");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "shadow_size", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_shadow_size", "get_shadow_size");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "shadow_offset"), "set_shadow_offset", "get_shadow_offset");
 
 	ADD_GROUP("Anti Aliasing", "anti_aliasing_");