diff --git a/otoroshi/javascript/src/pages/RouteDesigner/Designer.js b/otoroshi/javascript/src/pages/RouteDesigner/Designer.js
index 99fa9b3c0..b742082e6 100644
--- a/otoroshi/javascript/src/pages/RouteDesigner/Designer.js
+++ b/otoroshi/javascript/src/pages/RouteDesigner/Designer.js
@@ -1649,7 +1649,7 @@ class Designer extends React.Component {
               })
             }
           />
-          <div className="relative-container" style={{ flex: 9, marginLeft: preview.enabled ? '1rem' : 0 }}>
+          <div className="relative-container" style={{ flex: 9, marginLeft: preview.enabled ? '1rem' : '.5rem' }}>
             {preview.enabled ? (
               <EditView
                 addNode={this.addNode}