diff --git a/db/migrate/20120114195316_change_asciicast_duration_to_float.rb b/db/migrate/20120114195316_change_asciicast_duration_to_float.rb
new file mode 100644
index 0000000..82b9696
--- /dev/null
+++ b/db/migrate/20120114195316_change_asciicast_duration_to_float.rb
@@ -0,0 +1,9 @@
+class ChangeAsciicastDurationToFloat < ActiveRecord::Migration
+  def up
+    change_column :asciicasts, :duration, :float, :null => false
+  end
+
+  def down
+    change_column :asciicasts, :duration, :integer, :null => false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 71d03b5..850de5b 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,12 +11,12 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20111123214033) do
+ActiveRecord::Schema.define(:version => 20120114195316) do
 
   create_table "asciicasts", :force => true do |t|
     t.integer  "user_id"
     t.string   "title"
-    t.integer  "duration",         :null => false
+    t.float    "duration",         :null => false
     t.datetime "recorded_at"
     t.string   "terminal_type"
     t.integer  "terminal_columns", :null => false