diff --git a/frappe/config/__init__.py b/frappe/config/__init__.py
index caf169404d..e7f0f1a763 100644
--- a/frappe/config/__init__.py
+++ b/frappe/config/__init__.py
@@ -45,7 +45,7 @@ def get_all_empty_tables_by_module():
 
 	query = frappe.qb.from_(information_schema.tables).select(table_name).where(table_rows == 0)
 
-	empty_tables = {(r[0] for r in frappe.db.sql(query))}
+	empty_tables = {r[0] for r in frappe.db.sql(query)}
 
 	results = frappe.get_all("DocType", fields=["name", "module"])
 	empty_tables_by_module = {}