diff --git a/themes/default/image.jpg b/themes/default/image.jpg
deleted file mode 100644
index 52d783b..0000000
Binary files a/themes/default/image.jpg and /dev/null differ
diff --git a/themes/default/image.png b/themes/default/image.png
new file mode 100644
index 0000000..dcbe3ee
Binary files /dev/null and b/themes/default/image.png differ
diff --git a/themes/default/style.css b/themes/default/style.css
index a6d519c..01cbcbb 100644
--- a/themes/default/style.css
+++ b/themes/default/style.css
@@ -2,7 +2,7 @@ html {
     height: 100%;
 }
 body {
-    background-image: url('/themes/default/image.jpg');
+    background-image: url('/themes/default/image.png');
     background-position: right bottom;
     background-repeat: no-repeat;
     background-attachment: fixed;