diff --git a/src/ifs/wl_surface.rs b/src/ifs/wl_surface.rs
index bde99176..99c6c27b 100644
--- a/src/ifs/wl_surface.rs
+++ b/src/ifs/wl_surface.rs
@@ -1594,7 +1594,7 @@ impl WlSurface {
                 let ext = child.sub_surface.surface.extents.get();
                 let ext = ext.move_(pos.0, pos.1);
                 if ext.contains(x, y) {
-                    let (x, y) = ext.translate(x, y);
+                    let (x, y) = (x - pos.0, y - pos.1);
                     if let Some(res) = child.sub_surface.surface.find_surface_at(x, y) {
                         return Some(res);
                     }
diff --git a/src/ifs/wl_surface/wl_subsurface.rs b/src/ifs/wl_surface/wl_subsurface.rs
index 71f0cd08..0a2fef38 100644
--- a/src/ifs/wl_surface/wl_subsurface.rs
+++ b/src/ifs/wl_surface/wl_subsurface.rs
@@ -433,7 +433,7 @@ impl SurfaceExt for WlSubsurface {
     }
 
     fn tray_item(self: Rc<Self>) -> Option<TrayItemId> {
-        self.surface.node_tray_item()
+        self.parent.node_tray_item()
     }
 }