diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb
index 156279a67a7cb393522ce9b27317e40013bcfe1a..685d818ab3fbf9a57a76cc29c4584440ec406ce6 100644
--- a/activerecord/lib/active_record/associations/has_many_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_association.rb
@@ -108,7 +108,7 @@ def construct_create_scope
         end
 
         def we_can_set_the_inverse_on_this?(record)
-          !@reflection.inverse_of.nil?
+          @reflection.inverse_of
         end
     end
   end