diff --git a/pkg/grizzly/tmpl.go b/pkg/grizzly/tmpl.go
index 456e684e..b29ac838 100644
--- a/pkg/grizzly/tmpl.go
+++ b/pkg/grizzly/tmpl.go
@@ -46,9 +46,7 @@ func findAndParseTemplates(vfs fs.FS, rootTmpl *template.Template, rootDir strin
 		templateName := strings.TrimPrefix(strings.TrimPrefix(path, rootDir), "/")
 		t := rootTmpl.New(templateName).Funcs(
 			template.FuncMap{
-				"IsWarning": func(i any) bool {
-					return IsWarning(i)
-				},
+				"IsWarning": IsWarning,
 			},
 		)
 		_, err = t.Parse(string(contents))