diff --git a/src/react/JSONTree/JSONArrayNode.js b/src/react/JSONTree/JSONArrayNode.js
index c1a7c93a..0ac2b145 100644
--- a/src/react/JSONTree/JSONArrayNode.js
+++ b/src/react/JSONTree/JSONArrayNode.js
@@ -73,7 +73,7 @@ export default class JSONArrayNode extends React.Component {
   // caching it if it hasn't been created yet.
   getItemString() {
     if (!this.itemString) {
-      this.itemString = this.props.data.length + ' item' + (this.props.data.length > 1 ? 's' : '');
+      this.itemString = this.props.data.length + ' item' + (this.props.data.length !== 0 ? 's' : '');
     }
     return this.itemString;
   }
diff --git a/src/react/JSONTree/JSONObjectNode.js b/src/react/JSONTree/JSONObjectNode.js
index e7d0db2d..3c319cd0 100644
--- a/src/react/JSONTree/JSONObjectNode.js
+++ b/src/react/JSONTree/JSONObjectNode.js
@@ -76,7 +76,7 @@ export default class JSONObjectNode extends React.Component {
   getItemString() {
     if (!this.itemString) {
       const len = Object.keys(this.props.data).length;
-      this.itemString = len + ' key' + (len > 1 ? 's' : '');
+      this.itemString = len + ' key' + (len !== 0 ? 's' : '');
     }
     return this.itemString;
   }