diff --git a/js/ui/chrome.js b/js/ui/chrome.js
index 4bad7c038..addc9ac7d 100644
--- a/js/ui/chrome.js
+++ b/js/ui/chrome.js
@@ -413,6 +413,23 @@ Chrome.prototype = {
             else
                 continue;
 
+            // Ensure that the strut rects goes all the way to the screen edge,
+            // as this really what mutter expects.
+            switch (side) {
+            case Meta.Side.TOP:
+                y1 = 0;
+                break;
+            case Meta.Side.BOTTOM:
+                y2 = global.screen_height;
+                break;
+            case Meta.Side.LEFT:
+                x1 = 0;
+                break;
+            case Meta.Side.RIGHT:
+                x2 = global.screen_width;
+                break;
+            }
+
             let strutRect = new Meta.Rectangle({ x: x1, y: y1, width: x2 - x1, height: y2 - y1});
             let strut = new Meta.Strut({ rect: strutRect, side: side });
             struts.push(strut);