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-rw-r--r--activerecord/lib/active_record/associations/belongs_to_association.rb6
1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/belongs_to_association.rb b/activerecord/lib/active_record/associations/belongs_to_association.rb
index 58c9648ce8..97f531d064 100644
--- a/activerecord/lib/active_record/associations/belongs_to_association.rb
+++ b/activerecord/lib/active_record/associations/belongs_to_association.rb
@@ -45,7 +45,11 @@ module ActiveRecord
end
def replace_keys(record)
- owner[reflection.foreign_key] = record && record[reflection.association_primary_key]
+ if record
+ owner[reflection.foreign_key] = record[reflection.association_primary_key(record.class)]
+ else
+ owner[reflection.foreign_key] = nil
+ end
end
def foreign_key_present?