1 files changed, 1 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb
index 95e03ba95c..3da99872c0 100644
--- a/activesupport/lib/active_support/hash_with_indifferent_access.rb
+++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb
@@ -228,7 +228,7 @@ module ActiveSupport
     def to_options!; self end
 
     def select(*args, &block)
-      dup.select!(*args, &block)
+      dup.tap {|hash| hash.select!(*args, &block)}
     end
 
     # Convert to a regular hash with string keys.