diff --git a/package.json b/package.json
index 807daf8..bb9c284 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tp/tp-multi-toggle",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "",
   "main": "tp-multi-toggle.js",
   "scripts": {
diff --git a/tp-multi-toggle.js b/tp-multi-toggle.js
index 4137ef8..7a387aa 100644
--- a/tp-multi-toggle.js
+++ b/tp-multi-toggle.js
@@ -80,7 +80,7 @@ class TpMultiToggle extends FormElement(LitElement) {
   onClick(e) {
     const btn = closest(e.target, 'tp-button', true);
 
-    if (btn) {
+    if (btn && !btn.hasAttribute('selected')) {
       this.querySelectorAll('tp-button').forEach(el => el.removeAttribute('selected'));
       btn.setAttribute('selected', '');
       this.dispatchEvent(new CustomEvent('selection-changed', { detail: this.value, bubbles: true, composed: true }));