diff --git a/op_picker.py b/op_picker.py
index c1936d2..182f001 100644
--- a/op_picker.py
+++ b/op_picker.py
@@ -176,7 +176,9 @@ class RP_OT_box_select(bpy.types.Operator):
         else:
             self.picker.move_event(self.mouse)
             self.picker.release_event(self.mode)
-
+        
+        bpy.ops.ed.undo_push(message="Box Select")
+        
         return self.exit()
 
     def exit(self):