1 files changed, 7 insertions, 5 deletions

diff --git a/scene/gui/scroll_container.cpp b/scene/gui/scroll_container.cpp
index 411891ece8..757a0841ea 100644
--- a/scene/gui/scroll_container.cpp
+++ b/scene/gui/scroll_container.cpp
@@ -88,13 +88,15 @@ void ScrollContainer::_cancel_drag() {
 }
 
 void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) {
+	ERR_FAIL_COND(p_gui_input.is_null());
+
 	double prev_v_scroll = v_scroll->get_value();
 	double prev_h_scroll = h_scroll->get_value();
 
 	Ref<InputEventMouseButton> mb = p_gui_input;
 
 	if (mb.is_valid()) {
-		if (mb->get_button_index() == BUTTON_WHEEL_UP && mb->is_pressed()) {
+		if (mb->get_button_index() == MOUSE_BUTTON_WHEEL_UP && mb->is_pressed()) {
 			// only horizontal is enabled, scroll horizontally
 			if (h_scroll->is_visible() && (!v_scroll->is_visible() || mb->get_shift())) {
 				h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() / 8 * mb->get_factor());
@@ -103,7 +105,7 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) {
 			}
 		}
 
-		if (mb->get_button_index() == BUTTON_WHEEL_DOWN && mb->is_pressed()) {
+		if (mb->get_button_index() == MOUSE_BUTTON_WHEEL_DOWN && mb->is_pressed()) {
 			// only horizontal is enabled, scroll horizontally
 			if (h_scroll->is_visible() && (!v_scroll->is_visible() || mb->get_shift())) {
 				h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() / 8 * mb->get_factor());
@@ -112,13 +114,13 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) {
 			}
 		}
 
-		if (mb->get_button_index() == BUTTON_WHEEL_LEFT && mb->is_pressed()) {
+		if (mb->get_button_index() == MOUSE_BUTTON_WHEEL_LEFT && mb->is_pressed()) {
 			if (h_scroll->is_visible_in_tree()) {
 				h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() * mb->get_factor() / 8);
 			}
 		}
 
-		if (mb->get_button_index() == BUTTON_WHEEL_RIGHT && mb->is_pressed()) {
+		if (mb->get_button_index() == MOUSE_BUTTON_WHEEL_RIGHT && mb->is_pressed()) {
 			if (h_scroll->is_visible_in_tree()) {
 				h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * mb->get_factor() / 8);
 			}
@@ -132,7 +134,7 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) {
 			return;
 		}
 
-		if (mb->get_button_index() != BUTTON_LEFT) {
+		if (mb->get_button_index() != MOUSE_BUTTON_LEFT) {
 			return;
 		}