diff --git a/addons/web/static/lib/luxon/luxon.js b/addons/web/static/lib/luxon/luxon.js
index c4321f825d0..e9cbb5739ad 100644
--- a/addons/web/static/lib/luxon/luxon.js
+++ b/addons/web/static/lib/luxon/luxon.js
@@ -5105,7 +5105,7 @@ var luxon = (function (exports) {
   }
 
   var NBSP = String.fromCharCode(160);
-  var spaceOrNBSP = "( |" + NBSP + ")";
+  var spaceOrNBSP = "[ " + NBSP + "]";
   var spaceOrNBSPRegExp = new RegExp(spaceOrNBSP, "g");
 
   function fixListRegex(s) {