diff --git a/chosen/chosen.proto.js b/chosen/chosen.proto.js
index 627bcf8..b602dc3 100644
--- a/chosen/chosen.proto.js
+++ b/chosen/chosen.proto.js
@@ -14,6 +14,7 @@
       this.set_default_values();
       this.form_field = elmn;
       this.is_multiple = this.form_field.multiple;
+      this.is_rtl = this.form_field.hasClassName("chzn-rtl");
       this.default_text_default = this.form_field.multiple ? "Select Some Options" : "Select an Option";
       this.set_up_html();
       this.register_observers();
@@ -39,7 +40,7 @@
       this.f_width = this.form_field.getStyle("width") ? parseInt(this.form_field.getStyle("width"), 10) : this.form_field.getWidth();
       container_props = {
         'id': this.container_id,
-        'class': 'chzn-container',
+        'class': "chzn-container " + (this.is_rtl ? ' chzn-rtl' : void 0),
         'style': 'width: ' + this.f_width + 'px'
       };
       this.default_text = this.form_field.readAttribute('data-placeholder') ? this.form_field.readAttribute('data-placeholder') : this.default_text_default;
diff --git a/coffee/chosen.proto.coffee b/coffee/chosen.proto.coffee
index b997a4f..e639190 100644
--- a/coffee/chosen.proto.coffee
+++ b/coffee/chosen.proto.coffee
@@ -16,6 +16,7 @@ class Chosen
     
     @form_field = elmn
     @is_multiple = @form_field.multiple
+    @is_rtl = @form_field.hasClassName "chzn-rtl"
 
     @default_text_default = if @form_field.multiple then "Select Some Options" else "Select an Option"
 
@@ -47,7 +48,7 @@ class Chosen
     
     container_props =
       'id': @container_id
-      'class': 'chzn-container'
+      'class': "chzn-container #{' chzn-rtl' if @is_rtl}"
       'style': 'width: ' + (@f_width) + 'px' #use parens around @f_width so coffeescript doesn't think + ' px' is a function parameter
     
     @default_text = if @form_field.readAttribute 'data-placeholder' then @form_field.readAttribute 'data-placeholder' else @default_text_default