diff --git a/src/apprt/gtk/class/surface.zig b/src/apprt/gtk/class/surface.zig
index 2e05d7b12..3c9293a82 100644
--- a/src/apprt/gtk/class/surface.zig
+++ b/src/apprt/gtk/class/surface.zig
@@ -3283,6 +3283,7 @@ pub const Surface = extern struct {
         self: *Self,
     ) callconv(.c) void {
         self.updateMapped(true);
+        self.updateOcclusion(true);
     }
 
     fn glareaUnmap(
@@ -3290,6 +3291,7 @@ pub const Surface = extern struct {
         self: *Self,
     ) callconv(.c) void {
         self.updateMapped(false);
+        self.updateOcclusion(false);
     }
 
     fn updateMapped(self: *Self, mapped: bool) void {
@@ -3298,6 +3300,13 @@ pub const Surface = extern struct {
         self.as(gobject.Object).notifyByPspec(properties.mapped.impl.param_spec);
     }
 
+    fn updateOcclusion(self: *Self, visible: bool) void {
+        const surface = self.core() orelse return;
+        surface.occlusionCallback(visible) catch |err| {
+            log.warn("error in occlusion callback err={}", .{err});
+        };
+    }
+
     fn glareaRender(
         _: *gtk.GLArea,
         _: *gdk.GLContext,