diff --git a/frappe/core/doctype/server_script/server_script.py b/frappe/core/doctype/server_script/server_script.py
index aef07227c6..cfdf0ab2f1 100644
--- a/frappe/core/doctype/server_script/server_script.py
+++ b/frappe/core/doctype/server_script/server_script.py
@@ -211,6 +211,7 @@ class ServerScript(Document):
 
 		Args:
 		        user (str): Take user email to execute script and return list of conditions.
+				active_child_tables (list, optional): A list of child table names involved in the current SQL query.
 
 		Return:
 		        list: Return list of conditions defined by rules in self.script.
@@ -218,8 +219,7 @@ class ServerScript(Document):
 		locals = {
 			"user": user,
 			"conditions": "",
-			"active_child_tables": active_child_tables
-			or [],  # add 'active_child_tables' to the locals dictionary
+			"active_child_tables": active_child_tables or [],
 		}
 		safe_exec(self.script, None, locals, script_filename=self.name)
 		if locals["conditions"]:
diff --git a/frappe/model/db_query.py b/frappe/model/db_query.py
index a32cf1215b..c67d6a2aa0 100644
--- a/frappe/model/db_query.py
+++ b/frappe/model/db_query.py
@@ -1151,17 +1151,16 @@ from {tables}
 				conditions.append(c)
 
 		active_child_tables = []
-		if hasattr(self, "tables") and len(self.tables) > 1:  # only if query has multiple tables involved
+		if len(self.tables) > 1:  # only if query has multiple tables involved
 			for table_name in self.tables:
-				# skip parent table (user_permissions are already applied)
 				if table_name != f"`tab{self.doctype}`":
-					active_child_tables.append(table_name)  # track child tables
+					active_child_tables.append(table_name)
 
 		if permission_script_name := get_server_script_map().get("permission_query", {}).get(self.doctype):
 			script = frappe.get_doc("Server Script", permission_script_name)
 			if condition := script.get_permission_query_conditions(
 				self.user, active_child_tables=active_child_tables
-			):  # parse tracked child tables
+			):
 				conditions.append(condition)
 
 		return " and ".join(conditions) if conditions else ""