diff --git a/src/ShellClients/HideTracker.vala b/src/ShellClients/HideTracker.vala
index 98310c7c0..6a784e5f1 100644
--- a/src/ShellClients/HideTracker.vala
+++ b/src/ShellClients/HideTracker.vala
@@ -155,7 +155,7 @@ public class Gala.HideTracker : Object {
             }
 
             focus_overlap = true;
-            focus_maximized_overlap = window.get_maximized () == BOTH;
+            focus_maximized_overlap = VERTICAL in window.get_maximized ();
         }
 
         update_hidden ();