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-rw-r--r--django/db/models/sql/query.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 166e818e56..2e3169a3c0 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -658,8 +658,9 @@ class Query(object):
self.ref_alias(alias)
# Must use left outer joins for nullable fields.
+ must_promote = False
for join in joins:
- self.promote_alias(join)
+ must_promote = self.promote_alias(join, must_promote)
# If we get to this point and the field is a relation to another model,
# append the default ordering for that model.