diff --git a/assets/ui/button_background.png b/assets/ui/button_background.png
new file mode 100644
index 0000000..ecab5b0
Binary files /dev/null and b/assets/ui/button_background.png differ
diff --git a/lib/gamacon b/lib/gamacon
index f1b63a6..83afc9a 160000
--- a/lib/gamacon
+++ b/lib/gamacon
@@ -1 +1 @@
-Subproject commit f1b63a6b3a790ef57dfa43b60eb4ddfa36d54fe2
+Subproject commit 83afc9a60055af0a68022ae2a088ab31d3851ec3
diff --git a/prefabs/mainmenu.gcprefab b/prefabs/mainmenu.gcprefab
index d16aea9..22d0640 100644
--- a/prefabs/mainmenu.gcprefab
+++ b/prefabs/mainmenu.gcprefab
@@ -1,7 +1,7 @@
 <gc_scene>
     <data>
         <sprite src="assets/sprites/grass.png" />
-        <sprite name="button_background" src="assets/sprites/grass.png" />
+        <sprite name="button_background" src="assets/ui/button_background.png" />
         <font src="assets/fonts/roboto.ttf" />
     </data>
     <gc_entities>