diff --git a/package.json b/package.json
index c1692f3..7300825 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tp/tp-checkbox",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "",
   "main": "tp-checkbox.js",
   "scripts": {
diff --git a/tp-checkbox.js b/tp-checkbox.js
index 22b9ca2..9192676 100644
--- a/tp-checkbox.js
+++ b/tp-checkbox.js
@@ -118,7 +118,7 @@ class TpCheckbox extends Inert(ControlState(FormElement(LitElement))) {
   }
 
   set value(val) {
-    this._value = val;
+    this._value = val || '';
   }
 }