diff --git a/frappe/core/doctype/user_type/user_type.py b/frappe/core/doctype/user_type/user_type.py
index 5291651204..e9825c90af 100644
--- a/frappe/core/doctype/user_type/user_type.py
+++ b/frappe/core/doctype/user_type/user_type.py
@@ -121,10 +121,10 @@ class UserType(Document):
 			self.prepare_select_perm_doctypes(doc, user_doctypes, select_doctypes)
 
 			for child_table in doc.get_table_fields():
-				if frappe.db.table_exists(child_table.options):
+				if (frappe.db.table_exists(child_table.options)
+					and not frappe.get_cached_value('DocType', child_table.options, 'istable')):
 					child_doc = frappe.get_meta(child_table.options)
-					if not child_doc.istable:
-						self.prepare_select_perm_doctypes(child_doc, user_doctypes, select_doctypes)
+					self.prepare_select_perm_doctypes(child_doc, user_doctypes, select_doctypes)
 
 		if select_doctypes:
 			select_doctypes = set(select_doctypes)