diff --git a/autotests/test_screen_edges.cpp b/autotests/test_screen_edges.cpp
--- a/autotests/test_screen_edges.cpp
+++ b/autotests/test_screen_edges.cpp
@@ -298,6 +298,7 @@
     auto vd = VirtualDesktopManager::self();
     vd->setConfig(config);
     vd->load();
+    vd->updateLayout();
     QCOMPARE(vd->count(), 4u);
     QCOMPARE(vd->grid().width(), 2);
     QCOMPARE(vd->grid().height(), 2);