diff --git a/db/migrate/20190100000006_change_order_article_result_types.rb b/db/migrate/20190100000006_change_order_article_result_types.rb
new file mode 100644
index 00000000..daa279ca
--- /dev/null
+++ b/db/migrate/20190100000006_change_order_article_result_types.rb
@@ -0,0 +1,11 @@
+class ChangeOrderArticleResultTypes < ActiveRecord::Migration[4.2]
+  def self.up
+    change_column :order_articles, :units_billed, :decimal, precision: 8, scale: 3
+    change_column :order_articles, :units_received, :decimal, precision: 8, scale: 3
+  end
+
+  def self.down
+    change_column :order_articles, :units_billed, :integer
+    change_column :order_articles, :units_received, :integer
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 869e614f..ce812b3f 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -331,8 +331,8 @@ ActiveRecord::Schema.define(version: 2021_02_05_090257) do
     t.integer "units_to_order", default: 0, null: false
     t.integer "lock_version", default: 0, null: false
     t.integer "article_price_id"
-    t.integer "units_billed"
-    t.integer "units_received"
+    t.decimal "units_billed", precision: 8, scale: 3
+    t.decimal "units_received", precision: 8, scale: 3
     t.index ["order_id", "article_id"], name: "index_order_articles_on_order_id_and_article_id", unique: true
     t.index ["order_id"], name: "index_order_articles_on_order_id"
   end