diff --git a/webpack/lib/field-manager.js b/webpack/lib/field-manager.js
index 14028c6..5b67fd8 100644
--- a/webpack/lib/field-manager.js
+++ b/webpack/lib/field-manager.js
@@ -15,7 +15,7 @@ FieldValidator.pushFormat('bypass', () => true);
 
 /* (2) Basic name */
 FieldValidator.pushFormat('basic-name', (input) => {
-	return typeof input === 'string' && input.trim() === input && /^[a-z0-9 _-]{3,20}$/i.test(input);
+	return typeof input === 'string' && input.trim() === input && /^[a-z0-9\. _-]{3,20}$/i.test(input);
 }, '3 characters required: letters, numbers, spaces, dots, hyphens');
 
 /* (3) URL name */