diff --git a/pkg/gtk4-layer-shell/src/main.zig b/pkg/gtk4-layer-shell/src/main.zig
index d7eafa135..06936bba2 100644
--- a/pkg/gtk4-layer-shell/src/main.zig
+++ b/pkg/gtk4-layer-shell/src/main.zig
@@ -50,3 +50,7 @@ pub fn setMargin(window: *gtk.Window, edge: ShellEdge, margin_size: c_int) void
 pub fn setKeyboardMode(window: *gtk.Window, mode: KeyboardMode) void {
     c.gtk_layer_set_keyboard_mode(@ptrCast(window), @intFromEnum(mode));
 }
+
+pub fn setNamespace(window: *gtk.Window, name: [:0]const u8) void {
+    c.gtk_layer_set_namespace(@ptrCast(window), name.ptr);
+}
diff --git a/src/apprt/gtk/winproto/wayland.zig b/src/apprt/gtk/winproto/wayland.zig
index 483a09d3c..b718609e3 100644
--- a/src/apprt/gtk/winproto/wayland.zig
+++ b/src/apprt/gtk/winproto/wayland.zig
@@ -110,6 +110,7 @@ pub const App = struct {
 
         layer_shell.initForWindow(window);
         layer_shell.setLayer(window, .top);
+        layer_shell.setNamespace(window, "ghostty-quick-terminal");
     }
 
     fn registryListener(