diff --git a/packages/client/src/state/renderTemplateString.js b/packages/client/src/state/renderTemplateString.js
index c872bffc63..e2d8eba859 100644
--- a/packages/client/src/state/renderTemplateString.js
+++ b/packages/client/src/state/renderTemplateString.js
@@ -11,7 +11,7 @@ const entityMap = {
 
 mustache.escape = text =>
   String(text).replace(/[&<>"'`=/]/g, function fromEntityMap(s) {
-    return entityMap[s]
+    return entityMap[s] || s
   })
 
 export default mustache.render