diff --git a/externs/js/js-compile-config.xml b/externs/js/js-compile-config.xml
index 8cf6a43..351154c 100644
--- a/externs/js/js-compile-config.xml
+++ b/externs/js/js-compile-config.xml
@@ -94,6 +94,7 @@
         <path-element>externs/ie_dom.js</path-element>
         <path-element>externs/gecko_dom.js</path-element>
         <path-element>externs/gecko_xml.js</path-element>
+        <path-element>externs/gecko_event.js</path-element>
         
         <path-element>externs/webkit_css.js</path-element>
         <path-element>externs/webkit_dom.js</path-element>