diff --git a/js/affix.js b/js/affix.js
index 7d404ebee58959acff5663bc2ffd44c3e8020b60..1f55b146f94c5b4182bbe186a596e0a10cf7aebe 100644
--- a/js/affix.js
+++ b/js/affix.js
@@ -83,7 +83,7 @@
     this.$element
       .removeClass(Affix.RESET)
       .addClass(affixType)
-      .trigger($.Event(affixType.replace('affix', 'affixed')))
+      .trigger($.Event(affixType.replace('affix', 'affixed') + '.bs.affix'))
 
     if (affix == 'bottom') {
       this.$element.offset({