diff --git a/.rubocop.yml b/.rubocop.yml
index 7da823e..196526e 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -16,6 +16,9 @@ Metrics/BlockLength:
   Exclude:
     - 'spec/**/*.rb'
 
+Metrics/LineLength:
+  Max: 100
+
 Security/MarshalLoad:
   Enabled: false
 
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index ffba99a..6d4e08a 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -9,4 +9,4 @@
 # Offense count: 1
 # Configuration parameters: CountComments.
 Metrics/ClassLength:
-  Max: 108
+  Max: 110
diff --git a/README.md b/README.md
index 84f40af..1bbbdcd 100644
--- a/README.md
+++ b/README.md
@@ -99,6 +99,10 @@ My::Application.config.session_store :redis_session_store, {
 
 **Note** The session will *always* be destroyed when it cannot be loaded.
 
+### Other notes
+
+It returns with_indifferent_access if ActiveSupport is defined
+
 ## Rails 2 Compatibility
 
 This gem is currently only compatible with Rails 3+.  If you need
diff --git a/lib/redis-session-store.rb b/lib/redis-session-store.rb
index 9a645de..b02eab6 100644
--- a/lib/redis-session-store.rb
+++ b/lib/redis-session-store.rb
@@ -13,6 +13,7 @@ class RedisSessionStore < ActionDispatch::Session::AbstractStore
                               end
   end
 
+  USE_INDIFFERENT_ACCESS = defined?(ActiveSupport).freeze
   # ==== Options
   # * +:key+ - Same as with the other cookie stores, key name
   # * +:redis+ - A hash with redis-specific options
@@ -86,16 +87,15 @@ def prefixed(sid)
     "#{default_options[:key_prefix]}#{sid}"
   end
 
-  def get_session(env, sid)
-    unless sid && (session = load_session_from_redis(sid))
-      sid = generate_sid
-      session = {}
-    end
+  def session_default_values
+    [generate_sid, USE_INDIFFERENT_ACCESS ? {}.with_indifferent_access : {}]
+  end
 
-    [sid, session]
+  def get_session(env, sid)
+    sid && (session = load_session_from_redis(sid)) ? [sid, session] : session_default_values
   rescue Errno::ECONNREFUSED, Redis::CannotConnectError => e
     on_redis_down.call(e, env, sid) if on_redis_down
-    [generate_sid, {}]
+    session_default_values
   end
   alias find_session get_session
 
@@ -111,7 +111,8 @@ def load_session_from_redis(sid)
   end
 
   def decode(data)
-    serializer.load(data)
+    session = serializer.load(data)
+    USE_INDIFFERENT_ACCESS ? session.with_indifferent_access : session
   end
 
   def set_session(env, sid, session_data, options = nil)
@@ -121,10 +122,10 @@ def set_session(env, sid, session_data, options = nil)
     else
       redis.set(prefixed(sid), encode(session_data))
     end
-    return sid
+    sid
   rescue Errno::ECONNREFUSED, Redis::CannotConnectError => e
     on_redis_down.call(e, env, sid) if on_redis_down
-    return false
+    false
   end
   alias write_session set_session