diff --git a/public/app/features/templating/specs/template_srv.test.ts b/public/app/features/templating/specs/template_srv.test.ts
index 06c7ac552c9..3e5ddf8bf54 100644
--- a/public/app/features/templating/specs/template_srv.test.ts
+++ b/public/app/features/templating/specs/template_srv.test.ts
@@ -276,7 +276,7 @@ describe('templateSrv', function() {
     });
 
     it('multi value and percentencode format should render percent-encoded string', function() {
-      var result = _templateSrv.formatValue(['foo()bar BAZ', 'test2'], 'percentencode');
+      const result = _templateSrv.formatValue(['foo()bar BAZ', 'test2'], 'percentencode');
       expect(result).toBe('%7bfoo%28%29bar%20BAZ%2ctest2%7d');
     });