diff --git a/cookbook/form/inherit_data_option.rst b/cookbook/form/inherit_data_option.rst
index ee46305be2b..75db174ea3e 100644
--- a/cookbook/form/inherit_data_option.rst
+++ b/cookbook/form/inherit_data_option.rst
@@ -154,3 +154,7 @@ Finally, make this work by adding the location form to your two original forms::
 
 That's it! You have extracted duplicated field definitions to a separate
 location form that you can reuse wherever you need it.
+
+.. caution::
+
+    Forms with the ``inherit_data`` option set cannot have ``*_SET_DATA`` event listeners.