diff --git a/src/citron/updater/updater_dialog.cpp b/src/citron/updater/updater_dialog.cpp
index 60218add3..664f9bdca 100644
--- a/src/citron/updater/updater_dialog.cpp
+++ b/src/citron/updater/updater_dialog.cpp
@@ -220,9 +220,16 @@ void UpdaterDialog::OnRestartButtonClicked() {
 }
 
 void UpdaterDialog::SetupUI() {
-    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+    const bool is_gamescope = !qgetenv("GAMESCOPE_WIDTH").isEmpty() || qgetenv("XDG_CURRENT_DESKTOP") == "gamescope";
 
-    setMinimumSize(size());
+    if (is_gamescope) {
+        // Force as a top-level window so Gamescope centers it correctly at 800p
+        setWindowFlags(Qt::Window | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::WindowStaysOnTopHint);
+        // Do NOT set a minimum size based on desktop hints, let the layout work
+    } else {
+        setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+        setMinimumSize(size());
+    }
 
     ui->currentVersionValue->setText(QString::fromStdString(updater_service->GetCurrentVersion()));
     ui->appImageSelectorLabel->setVisible(false);