diff --git a/erpnext/stock/doctype/warehouse/warehouse.py b/erpnext/stock/doctype/warehouse/warehouse.py
index 6ed6044f32..eb4867d2cf 100644
--- a/erpnext/stock/doctype/warehouse/warehouse.py
+++ b/erpnext/stock/doctype/warehouse/warehouse.py
@@ -180,7 +180,7 @@ def get_child_warehouses(warehouse):
 	lft, rgt = frappe.get_cached_value("Warehouse", warehouse, [lft, rgt])
 
 	return frappe.db.sql_list("""select name from `tabWarehouse`
-		where lft >= %s and rgt =< %s""", (lft, rgt))
+		where lft >= %s and rgt <= %s""", (lft, rgt))
 
 def get_warehouses_based_on_account(account, company=None):
 	warehouses = []
@@ -199,4 +199,4 @@ def get_warehouses_based_on_account(account, company=None):
 		frappe.throw(_("Warehouse not found against the account {0}")
 			.format(account))
 
-	return warehouses
\ No newline at end of file
+	return warehouses