diff --git a/lib/globals.gd b/lib/globals.gd
index f0fe4750..966a3478 100644
--- a/lib/globals.gd
+++ b/lib/globals.gd
@@ -40,6 +40,7 @@ func clear_mouse_passthrough() -> void:
 	DisplayServer.window_set_mouse_passthrough([])
 
 func _update_mouse_passthrough() -> void:
+	if not _pt_mouse: return
 	var _pt_mask: PackedVector2Array = []
 	for node in _pt_except:
 		var rect := node.get_global_rect()
@@ -57,6 +58,7 @@ func _update_mouse_passthrough() -> void:
 
 func _process(_d: float) -> void:
 	if _pt_except.size() == 0: return
+	if not _pt_mouse: return
 	_update_mouse_passthrough()
 
 func add_to_passthrough_exception(control: Control) -> void: