diff --git a/cms/templates/import.html b/cms/templates/import.html
index 706c56351a..2973d6ef4f 100644
--- a/cms/templates/import.html
+++ b/cms/templates/import.html
@@ -104,8 +104,7 @@ $('#fileupload').fileupload({
     },
     start: function(e) {
         window.onbeforeunload = function() {
-            return "Your import is in progress; navigating " +
-                "away will abort it.";
+            return '${_("Your import is in progress; navigating away will abort it.")}';
         }
     },
     sequentialUploads: true