diff --git a/chosen/chosen.jquery.js b/chosen/chosen.jquery.js
index e610561..d373f6c 100644
--- a/chosen/chosen.jquery.js
+++ b/chosen/chosen.jquery.js
@@ -44,7 +44,7 @@
     };
     Chosen.prototype.set_up_html = function() {
       var container_div, dd_top, dd_width, sf_width;
-      this.container_id = this.form_field.id.length ? this.form_field.id.replace('.', '_') : this.generate_field_id();
+      this.container_id = this.form_field.id.length ? this.form_field.id.replace(/(:|\.)/g, '_') : this.generate_field_id();
       this.container_id += "_chzn";
       this.f_width = this.form_field_jq.width();
       this.default_text = this.form_field_jq.data('placeholder') ? this.form_field_jq.data('placeholder') : this.default_text_default;
diff --git a/chosen/chosen.proto.js b/chosen/chosen.proto.js
index b602dc3..45d23ea 100644
--- a/chosen/chosen.proto.js
+++ b/chosen/chosen.proto.js
@@ -36,7 +36,7 @@
     };
     Chosen.prototype.set_up_html = function() {
       var base_template, container_props, dd_top, dd_width, sf_width;
-      this.container_id = this.form_field.identify().replace('.', '_') + "_chzn";
+      this.container_id = this.form_field.identify().replace(/(:|\.)/g, '_') + "_chzn";
       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,
diff --git a/coffee/chosen.jquery.coffee b/coffee/chosen.jquery.coffee
index 1bbcecc..e6d968b 100644
--- a/coffee/chosen.jquery.coffee
+++ b/coffee/chosen.jquery.coffee
@@ -44,7 +44,7 @@ class Chosen
     @choices = 0
 
   set_up_html: ->
-    @container_id = if @form_field.id.length then @form_field.id.replace('.', '_') else this.generate_field_id()
+    @container_id = if @form_field.id.length then @form_field.id.replace(/(:|\.)/g, '_') else this.generate_field_id()
     @container_id += "_chzn"
     
     @f_width = @form_field_jq.width()
diff --git a/coffee/chosen.proto.coffee b/coffee/chosen.proto.coffee
index e639190..b0d9e1a 100644
--- a/coffee/chosen.proto.coffee
+++ b/coffee/chosen.proto.coffee
@@ -42,7 +42,7 @@ class Chosen
 
 
   set_up_html: ->
-    @container_id = @form_field.identify().replace('.', '_') + "_chzn"
+    @container_id = @form_field.identify().replace(/(:|\.)/g, '_') + "_chzn"
     
     @f_width = if @form_field.getStyle("width") then parseInt @form_field.getStyle("width"), 10 else @form_field.getWidth()