diff --git a/src/logic/Window.swift b/src/logic/Window.swift
index 6860e69d..187d5287 100644
--- a/src/logic/Window.swift
+++ b/src/logic/Window.swift
@@ -74,7 +74,9 @@ class Window {
         }
         // we can only detect tabs for windows on the current space, as AXUIElement.windows() only reports current space windows
         // also, windows that start in fullscreen will have the wrong spaceID at that point in time, so we check if they are fullscreen too
-        else if spaceId == Spaces.currentSpaceId {
+        else if spaceId == Spaces.currentSpaceId &&
+                    // quirk with AltTab listing no windows at first; we force it to false
+                    application.runningApplication.bundleIdentifier != App.id {
             isTabbed = true
         }
     }