diff --git a/handlebars/handlebars-tests.ts b/handlebars/handlebars-tests.ts
index 937f93191..7ca58ff02 100644
--- a/handlebars/handlebars-tests.ts
+++ b/handlebars/handlebars-tests.ts
@@ -78,3 +78,5 @@ Handlebars.registerHelper('list', (items: any, fn: (item: any) => string) => {
 Handlebars.registerHelper('fullName', (person: typeof context.author) => {
     return person.firstName + ' ' + person.lastName;
 });
+
+var escapedExpression = Handlebars.Utils.escapeExpression('<script>alert(\'xss\');</script>');
diff --git a/handlebars/handlebars.d.ts b/handlebars/handlebars.d.ts
index ea1a1a11c..076381571 100644
--- a/handlebars/handlebars.d.ts
+++ b/handlebars/handlebars.d.ts
@@ -53,8 +53,8 @@ declare module hbs {
         static toString(): string;
     }
 
-    class Utils {
-        static escapeExpression(str: string): string;
+    module Utils {
+        function escapeExpression(str: string): string;
     }
 }