diff --git a/themes/openwrt.org/htdocs/luci-static/openwrt.org/cascade.css b/themes/openwrt.org/htdocs/luci-static/openwrt.org/cascade.css
index f0cd1e0c9a..2ca2cb4f64 100644
--- a/themes/openwrt.org/htdocs/luci-static/openwrt.org/cascade.css
+++ b/themes/openwrt.org/htdocs/luci-static/openwrt.org/cascade.css
@@ -39,7 +39,7 @@ div#content ul {
 
 #header {
 	min-height: 98px;
-	background-image: url(header.jpg);
+	background-image: url(header.png);
 	background-repeat: no-repeat;
 	background-position: left center;
 	background-color: #557788;
diff --git a/themes/openwrt.org/htdocs/luci-static/openwrt.org/header.jpg b/themes/openwrt.org/htdocs/luci-static/openwrt.org/header.jpg
deleted file mode 100644
index b27d42b9a9..0000000000
Binary files a/themes/openwrt.org/htdocs/luci-static/openwrt.org/header.jpg and /dev/null differ
diff --git a/themes/openwrt.org/htdocs/luci-static/openwrt.org/header.png b/themes/openwrt.org/htdocs/luci-static/openwrt.org/header.png
new file mode 100644
index 0000000000..5a7c9a10d9
Binary files /dev/null and b/themes/openwrt.org/htdocs/luci-static/openwrt.org/header.png differ