diff --git a/src/js/3p-filters.js b/src/js/3p-filters.js
index 22226c5fe..452013c64 100644
--- a/src/js/3p-filters.js
+++ b/src/js/3p-filters.js
@@ -68,6 +68,7 @@ var renderBlacklists = function() {
     var listGroupTemplate = uDom('#templates .groupEntry');
     var listEntryTemplate = uDom('#templates .listEntry');
     var listStatsTemplate = vAPI.i18n('3pListsOfBlockedHostsPerListStats');
+    var renderElapsedTimeToString = vAPI.i18n.renderElapsedTimeToString;
 
     // Assemble a pretty blacklist name if possible
     var listNameFromListKey = function(listKey) {
@@ -129,7 +130,7 @@ var renderBlacklists = function() {
         if ( asset.cached ) {
             elem = li.descendants('span.status.purge');
             elem.css('display', '');
-            elem.attr('title', renderElapsedTime(asset.lastModified));
+            elem.attr('title', renderElapsedTimeToString(asset.lastModified));
             hasCachedContent = true;
         }
         return li;
diff --git a/src/js/i18n.js b/src/js/i18n.js
index 8ca47a7ff..e2e47eb8e 100644
--- a/src/js/i18n.js
+++ b/src/js/i18n.js
@@ -51,7 +51,7 @@ uDom.onLoad(function() {
 
 /******************************************************************************/
 
-var renderElapsedTime = function(tstamp) {
+vAPI.i18n.renderElapsedTimeToString = function(tstamp) {
     var value = (Date.now() - tstamp) / 60000;
     if ( value < 2 ) {
         return vAPI.i18n('elapsedOneMinuteAgo');