diff --git a/legacy/src/template.ts b/legacy/src/template.ts
index d12a6b31..c2ce26e0 100644
--- a/legacy/src/template.ts
+++ b/legacy/src/template.ts
@@ -11,7 +11,9 @@ export function getCompiledTemplate(template: string) {
   }
 
   compiledTemplate = Handlebars.compile(template, {
-    noEscape: true
+    noEscape: true,
+    knownHelpers: {},
+    knownHelpersOnly: true
   })
 
   lru.set(template, compiledTemplate)