diff --git a/src/components/portfolioPage/Corpora.jsx b/src/components/portfolioPage/Corpora.jsx
index 72f7e8de..00b1e4c5 100644
--- a/src/components/portfolioPage/Corpora.jsx
+++ b/src/components/portfolioPage/Corpora.jsx
@@ -14,12 +14,11 @@ class Corpora extends Component {
   };
 
   sort = memoize((items, criteria) => items.sort(by(`${criteria}.0`)));
- 
   componentWillReceiveProps(props) {
     this.setState({
-      listCorpus: props.ids
-    })
-}
+      listCorpus: [ ...props.ids ]
+    });
+  }
   render() {
     let itemsData = this.sort(this.props.items, this.state.criteria);
     let items = itemsData.map(x =>
@@ -86,7 +85,7 @@ class Corpora extends Component {
 
   isChecked(corpus) {
     let list = this.state.listCorpus;
-    if (!list.includes(corpus)) {
+    if (list.includes(corpus)) {
       return true;
     }
     return false;