diff --git a/common/content/liberator.js b/common/content/liberator.js
index 9ea86e1f..6b009c12 100644
--- a/common/content/liberator.js
+++ b/common/content/liberator.js
@@ -1091,7 +1091,7 @@ const liberator = (function () //{{{
                 switch (where)
                 {
                     case liberator.CURRENT_TAB:
-                        getBrowser().loadURIWithFlags(url, nsIWebNavigation.LOAD_FLAGS_NONE, null, null, postdata);
+                        getBrowser().loadURIWithFlags(url, Ci.nsIWebNavigation.LOAD_FLAGS_NONE, null, null, postdata);
                         break;
 
                     case liberator.NEW_BACKGROUND_TAB: