diff --git a/www/images/default/open.png b/www/images/default/shutter_closed_big.png
similarity index 100%
rename from www/images/default/open.png
rename to www/images/default/shutter_closed_big.png
diff --git a/www/images/default/open_G.png b/www/images/default/shutter_open_big.png
similarity index 100%
rename from www/images/default/open_G.png
rename to www/images/default/shutter_open_big.png