diff --git a/app/dashboards/category_dashboard.rb b/app/dashboards/category_dashboard.rb
index 5e1ffce..dac6abc 100644
--- a/app/dashboards/category_dashboard.rb
+++ b/app/dashboards/category_dashboard.rb
@@ -15,7 +15,7 @@ class CategoryDashboard < Administrate::BaseDashboard
     created_at: Field::DateTime,
     updated_at: Field::DateTime,
     photo_id: Field::Number,
-    base_colour: Field::ColourField,
+    base_colour: ColourField,
     sort: Field::Number,
     slug: Field::String,
   }
diff --git a/app/dashboards/page_dashboard.rb b/app/dashboards/page_dashboard.rb
index bfff135..aae4e06 100644
--- a/app/dashboards/page_dashboard.rb
+++ b/app/dashboards/page_dashboard.rb
@@ -11,7 +11,7 @@ class PageDashboard < Administrate::BaseDashboard
     id: Field::Number,
     name: Field::String,
     title: Field::String,
-    content: Field::MarkdownField,
+    content: MarkdownField,
     created_at: Field::DateTime,
     updated_at: Field::DateTime,
   }
diff --git a/app/dashboards/photo_dashboard.rb b/app/dashboards/photo_dashboard.rb
index 6e5b83e..985beed 100644
--- a/app/dashboards/photo_dashboard.rb
+++ b/app/dashboards/photo_dashboard.rb
@@ -14,7 +14,7 @@ class PhotoDashboard < Administrate::BaseDashboard
     created_at: Field::DateTime,
     updated_at: Field::DateTime,
     title: Field::String,
-    description: Field::MarkdownField,
+    description: MarkdownField,
     sort: Field::Number,
     featured: Field::Boolean,
     enabled: Field::Boolean,