diff --git a/src/screen.js b/src/screen.js
index 60a94eb99a..f812d8b570 100644
--- a/src/screen.js
+++ b/src/screen.js
@@ -948,7 +948,7 @@
                 }.bind(this));
             }
             var display = function() {
-                this.display();
+                return this.display();
             }.bind(this);
             return prm.then(display, display);
         },