Fixed #31285 -- Fixed inherited Meta.ordering of "-pk".

1 files changed, 3 insertions, 3 deletions

diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py
index 92213a4e67..63ca817355 100644
--- a/django/db/models/sql/compiler.py
+++ b/django/db/models/sql/compiler.py
@@ -709,9 +709,9 @@ class SQLCompiler:
         field, targets, alias, joins, path, opts, transform_function = self._setup_joins(pieces, opts, alias)
 
         # If we get to this point and the field is a relation to another model,
-        # append the default ordering for that model unless the attribute name
-        # of the field is specified.
-        if field.is_relation and opts.ordering and getattr(field, 'attname', None) != name:
+        # append the default ordering for that model unless it is the pk
+        # shortcut or the attribute name of the field that is specified.
+        if field.is_relation and opts.ordering and getattr(field, 'attname', None) != name and name != 'pk':
             # Firstly, avoid infinite loops.
             already_seen = already_seen or set()
             join_tuple = tuple(getattr(self.query.alias_map[j], 'join_cols', None) for j in joins)