diff --git a/src/compiler/compile/nodes/Element.ts b/src/compiler/compile/nodes/Element.ts
index 76c885f618..8ff36de31a 100644
--- a/src/compiler/compile/nodes/Element.ts
+++ b/src/compiler/compile/nodes/Element.ts
@@ -379,7 +379,7 @@ export default class Element extends Node {
 			}
 
 
-			if (/(^[0-9-.])|[\^$@%&#?!|()\[\]{}^*+~;]/.test(name)) {
+			if (/(^[0-9-.])|[\^$@%&#?!|()[\]{}^*+~;]/.test(name)) {
 				component.error(attribute, {
 					code: `illegal-attribute`,
 					message: `'${name}' is not a valid attribute name`,