diff --git a/web_m2x_options_manager/models/m2x_create_edit_option.py b/web_m2x_options_manager/models/m2x_create_edit_option.py
index 9acb5cd45bf2..f1fecf8b901a 100644
--- a/web_m2x_options_manager/models/m2x_create_edit_option.py
+++ b/web_m2x_options_manager/models/m2x_create_edit_option.py
@@ -181,7 +181,7 @@ def _get_node_options_eval_context(self):
         """
         self.ensure_one()
         eval_ctx = dict(self.env.context or [])
-        eval_ctx.update({"context": dict(eval_ctx)})
+        eval_ctx.update({"context": dict(eval_ctx), "true": True, "false": False})
         return eval_ctx
 
     def _read_own_options(self):