diff --git a/object_boolean_tools.py b/object_boolean_tools.py
index 149433cad..c7aff2a06 100644
--- a/object_boolean_tools.py
+++ b/object_boolean_tools.py
@@ -657,7 +657,7 @@ class BTool_FindBrush(Operator):
                 bpy.ops.object.select_all(action="TOGGLE")
                 bpy.ops.object.select_all(action="DESELECT")
                 bpy.context.view_layer.objects.active = ob
-                ob.set_select(state=True)
+                ob.select_set(state=True)
         return {"FINISHED"}