diff --git a/material_maker/panels/graph_edit/graph_edit.gd b/material_maker/panels/graph_edit/graph_edit.gd
index a31932b9..3fbbc002 100644
--- a/material_maker/panels/graph_edit/graph_edit.gd
+++ b/material_maker/panels/graph_edit/graph_edit.gd
@@ -105,13 +105,14 @@ func _gui_input(event) -> void:
 		if selected_nodes.size() == 1 and selected_nodes[0].generator is MMGenGraph:
 			update_view(selected_nodes[0].generator)
 	elif event is InputEventMouseButton:
-		if event.button_index == BUTTON_WHEEL_UP and event.is_pressed():
+		# reverted to default GraphEdit behavior
+		if false and event.button_index == BUTTON_WHEEL_UP and event.is_pressed():
 			if event.control:
 				event.control = false
 			elif !event.shift:
 				event.control = true
 				do_zoom(1.1)
-		elif event.button_index == BUTTON_WHEEL_DOWN and event.is_pressed():
+		elif false and event.button_index == BUTTON_WHEEL_DOWN and event.is_pressed():
 			if event.control:
 				event.control = false
 			elif !event.shift: