diff --git a/src/lib/project-saver-hoc.jsx b/src/lib/project-saver-hoc.jsx
index 8a11fa83cf89b3d7ab431d091693a18994e2782c..df1dce40dd90045c311253565bd98765a33aad6e 100644
--- a/src/lib/project-saver-hoc.jsx
+++ b/src/lib/project-saver-hoc.jsx
@@ -53,7 +53,7 @@ const ProjectSaverHOC = function (WrappedComponent) {
             if (typeof window === 'object') {
                 // Note: it might be better to use a listener instead of assigning onbeforeunload;
                 // but then it'd be hard to turn this listening off in our tests
-                window.onbeforeunload = (e) => this.leavePageConfirm(e);
+                window.onbeforeunload = e => this.leavePageConfirm(e);
             }
         }
         componentDidUpdate (prevProps) {