diff --git a/modules/util/locale.js b/modules/util/locale.js
index 44710a546..e003b759b 100644
--- a/modules/util/locale.js
+++ b/modules/util/locale.js
@@ -45,7 +45,7 @@ export function t(s, o, loc) {
     if (rep !== undefined) {
         if (o) {
             for (var k in o) {
-                var variable = '{' + k + '}';
+                var variable = '\\{' + k + '\\}';
                 var re = new RegExp(variable, 'g'); // check globally for variables
                 rep = rep.replace(re, o[k]);
             }
@@ -124,4 +124,4 @@ export function languageName(context, code, options) {
         }
     }
     return code; // if not found, use the code
-}
+}
\ No newline at end of file