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-rw-r--r--activerecord/lib/active_record/relation/query_methods.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index eaa3ddaec8..ffca88f69f 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -356,7 +356,7 @@ module ActiveRecord
modules << Module.new(&block) if block_given?
self.extending_values = modules.flatten
- extend(*extending_values)
+ extend(*extending_values) if extending_values.any?
self
end