diff --git a/package.json b/package.json
index 25a8df8..05f9272 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wkit",
-  "version": "1.12.2",
+  "version": "1.12.3",
   "type": "module",
   "description": "A library for building fast, lightweight web components.",
   "main": "dist/index.js",
diff --git a/src/index.js b/src/index.js
index 3b1ce8c..ca46ca7 100644
--- a/src/index.js
+++ b/src/index.js
@@ -169,8 +169,8 @@ export class Component extends HTMLElement {
     delete this.props
   }
 
-  static reg(name = '', prefix = 'wc-') {
-    let key = prefix + name
+  static reg(name = '', prefix = 'wc') {
+    let key = prefix + '-' + name
     if (!customElements.get(key)) {
       customElements.define(key, this)
     }