diff --git a/internal_filesystem/builtin/apps/com.example.osupdate/assets/osupdate.py b/internal_filesystem/builtin/apps/com.example.osupdate/assets/osupdate.py
index b109f5b2..0654dd8f 100644
--- a/internal_filesystem/builtin/apps/com.example.osupdate/assets/osupdate.py
+++ b/internal_filesystem/builtin/apps/com.example.osupdate/assets/osupdate.py
@@ -89,7 +89,7 @@ def update_with_lvgl(url):
 def install_button_click(download_url):
     print(f"install_button_click for url {download_url}")
     try:
-        _thread.stack_size(16384)
+        _thread.stack_size(12*1024)
         _thread.start_new_thread(update_with_lvgl, (download_url,))
     except Exception as e:
         print("Could not start update_with_lvgl thread: ", e)