diff --git a/app/views/rails_admin/main/_form_colorpicker.html.haml b/app/views/rails_admin/main/_form_colorpicker.html.haml
index 4ba1e97344..3f4e876f31 100644
--- a/app/views/rails_admin/main/_form_colorpicker.html.haml
+++ b/app/views/rails_admin/main/_form_colorpicker.html.haml
@@ -1 +1 @@
-= form.send field.view_helper, field.method_name, field.html_attributes.reverse_merge({value: field.form_value, style: "background-color: #{field.color}", data: {color: true}})
+= form.send field.view_helper, field.method_name, field.html_attributes.reverse_merge({class: 'form-control', value: field.form_value, style: "background-color: #{field.color}", data: {color: true}})