diff --git a/src/Tile/SelectableTileGroup.svelte b/src/Tile/SelectableTileGroup.svelte
index be1e0ff9..8e9f17e2 100644
--- a/src/Tile/SelectableTileGroup.svelte
+++ b/src/Tile/SelectableTileGroup.svelte
@@ -24,15 +24,14 @@
     let a = $_selectedValues;
     const i = a.indexOf(value);
     if (selected && i === -1) {
-      a = a.concat([value]);
+      a = a.push([value]);
     } else if (!selected && i > -1) {
       a = a.splice(i, 1);
     }
-    return a;
+    return [...a];
   }
 
   setContext("SelectableTileGroup", {
-    _light: light,
     selectedValues: _selectedValues,
     update: ({ selected, value }) =>
       _selectedValues.set(newArray(value, selected)),