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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 cbbbee20ba..edaa223808 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -660,7 +660,8 @@ class Query(object):
# Must use left outer joins for nullable fields.
must_promote = False
for join in joins:
- must_promote = self.promote_alias(join, must_promote)
+ if self.promote_alias(join, must_promote):
+ must_promote = True
# If we get to this point and the field is a relation to another model,
# append the default ordering for that model.