diff --git a/frontend/src/Components/Page/PageJumpBar.js b/frontend/src/Components/Page/PageJumpBar.js
index 4b73ad4cb..7bb45d442 100644
--- a/frontend/src/Components/Page/PageJumpBar.js
+++ b/frontend/src/Components/Page/PageJumpBar.js
@@ -100,7 +100,9 @@ class PageJumpBar extends Component {
   // Listeners
 
   onMeasure = ({ height }) => {
-    this.setState({ height });
+    if (height > 0) {
+      this.setState({ height });
+    }
   }
 
   //