diff --git a/js/ui/chrome.js b/js/ui/chrome.js
index 2e57456cf..50e0e79b3 100644
--- a/js/ui/chrome.js
+++ b/js/ui/chrome.js
@@ -208,9 +208,14 @@ Chrome.prototype = {
         this._obscuredByFullscreen = false;
         for (let i = windows.length - 1; i > -1; i--) {
             let layer = windows[i].get_meta_window().get_layer();
-
-            if (layer == Meta.StackLayer.OVERRIDE_REDIRECT ||
-                layer == Meta.StackLayer.FULLSCREEN) {
+            if (layer == Meta.StackLayer.FULLSCREEN) {
+                if (windows[i].x >= primary.x && windows[i].x <= primary.x + primary.width &&
+                    windows[i].y >= primary.y && windows[i].y <= primary.y + primary.height) {
+                        this._obscuredByFullscreen = true;
+                        break;
+                }
+            }
+            if (layer == Meta.StackLayer.OVERRIDE_REDIRECT) {
                 if (windows[i].x <= primary.x &&
                     windows[i].x + windows[i].width >= primary.x + primary.width &&
                     windows[i].y <= primary.y &&