diff --git a/front/core/components/check/check.js b/front/core/components/check/check.js
index 473128a27..bef95e29d 100644
--- a/front/core/components/check/check.js
+++ b/front/core/components/check/check.js
@@ -38,9 +38,10 @@ export default class Controller extends Component {
     }
 
     get isIntermediate() {
-        return this.intermediate
-            || this.model === null
-            || this.model === undefined;
+        if (this.intermediate || (this.tripleState && (this.model === null || this.model === undefined)))
+            return true;
+
+        return false;
     }
 
     get isChecked() {