diff --git a/lib/activeadmin/inputs/filters/selectize_input.rb b/lib/activeadmin/inputs/filters/selectize_input.rb
new file mode 100644
index 0000000..b70cfce
--- /dev/null
+++ b/lib/activeadmin/inputs/filters/selectize_input.rb
@@ -0,0 +1,11 @@
+module ActiveAdmin
+  module Inputs
+    module Filters
+      class SelectizeInput < ::ActiveAdmin::Inputs::Filters::SelectInput
+        def input_html_options
+          super.merge('data-selectize-input': '1')
+        end
+      end
+    end
+  end
+end
diff --git a/lib/activeadmin_selectize.rb b/lib/activeadmin_selectize.rb
index da5902f..8d98bf9 100644
--- a/lib/activeadmin_selectize.rb
+++ b/lib/activeadmin_selectize.rb
@@ -3,3 +3,4 @@
 require 'activeadmin/selectize'
 
 require 'formtastic/inputs/selectize_input'
+require 'activeadmin/inputs/filters/selectize_input'