diff --git a/django/db/models/query.py b/django/db/models/query.py
index 3680c661c6..9bc111eb15 100644
--- a/django/db/models/query.py
+++ b/django/db/models/query.py
@@ -826,7 +826,7 @@ def fill_table_cache(opts, select, tables, where, old_prefix, cache_tables_seen,
             cache_tables_seen.append(db_table)
             where.append('%s.%s = %s.%s' % \
                 (qn(old_prefix), qn(f.column), qn(db_table), qn(f.rel.get_related_field().column)))
-            select.extend(['%s.%s' % (backend.quote_name(db_table), backend.quote_name(f2.column)) for f2 in f.rel.to._meta.fields])
+            select.extend(['%s.%s' % (qn(db_table), qn(f2.column)) for f2 in f.rel.to._meta.fields])
             fill_table_cache(f.rel.to._meta, select, tables, where, db_table, cache_tables_seen, max_depth, cur_depth+1)
 
 def parse_lookup(kwarg_items, opts):