--- a/devtools/shared/l10n.js
+++ b/devtools/shared/l10n.js
@@ -167,17 +167,16 @@ function localizeMarkup(root) {
       }
     }
 
     element.removeAttribute("data-localization");
   }
 }
 
 const sharedL10N = new LocalizationHelper("devtools-shared/locale/shared.properties");
-const ELLIPSIS = sharedL10N.getStr("ellipsis");
 
 /**
  * A helper for having the same interface as LocalizationHelper, but for more
  * than one file. Useful for abstracting l10n string locations.
  */
 function MultiLocalizationHelper(...stringBundleNames) {
   let instances = stringBundleNames.map(bundle => {
     return new LocalizationHelper(bundle);
@@ -205,9 +204,9 @@ function MultiLocalizationHelper(...stri
         return null;
       };
     });
 }
 
 exports.LocalizationHelper = LocalizationHelper;
 exports.localizeMarkup = localizeMarkup;
 exports.MultiLocalizationHelper = MultiLocalizationHelper;
-exports.ELLIPSIS = ELLIPSIS;
+Object.defineProperty(exports, "ELLIPSIS", { get: () => sharedL10N.getStr("ellipsis") });