diff --git a/lib/public_activity/orm/active_record/activist.rb b/lib/public_activity/orm/active_record/activist.rb
index c7d0f12..9b0c097 100644
--- a/lib/public_activity/orm/active_record/activist.rb
+++ b/lib/public_activity/orm/active_record/activist.rb
@@ -24,11 +24,11 @@ module Activist
         #
         def activist
           has_many :activities_as_owner,
-            :class_name => "::PublicActivity::Activity",
-            :as => :owner
+                   class_name: '::PublicActivity::Activity',
+                   as: :owner
           has_many :activities_as_recipient,
-            :class_name => "::PublicActivity::Activity",
-            :as => :recipient
+                   class_name: '::PublicActivity::Activity',
+                   as: :recipient
         end
       end
     end
diff --git a/lib/public_activity/orm/active_record/trackable.rb b/lib/public_activity/orm/active_record/trackable.rb
index 677e433..1c5acf7 100644
--- a/lib/public_activity/orm/active_record/trackable.rb
+++ b/lib/public_activity/orm/active_record/trackable.rb
@@ -9,7 +9,9 @@ module Trackable
         # Creates an association for activities where self is the *trackable*
         # object.
         def self.extended(base)
-          base.has_many :activities, :class_name => "::PublicActivity::Activity", :as => :trackable
+          base.has_many :activities,
+                        class_name: '::PublicActivity::Activity',
+                        as: :trackable
         end
       end
     end