diff --git a/web/src/js/components/FlowTable.jsx b/web/src/js/components/FlowTable.jsx
index 45f12e9d3..3dc3e4b40 100644
--- a/web/src/js/components/FlowTable.jsx
+++ b/web/src/js/components/FlowTable.jsx
@@ -34,6 +34,10 @@ class FlowTable extends React.Component {
         window.addEventListener('resize', this.onViewportUpdate)
     }
 
+    componentDidMount() {
+        this.onViewportUpdate();
+    }
+
     UNSAFE_componentWillUnmount() {
         window.removeEventListener('resize', this.onViewportUpdate)
     }