diff --git a/res/themes/element/img/backgrounds/lake.jpg b/res/themes/element/img/backgrounds/lake.jpg
new file mode 100644
index 0000000000..eb3d19a7cc
Binary files /dev/null and b/res/themes/element/img/backgrounds/lake.jpg differ
diff --git a/res/themes/element/img/backgrounds/valley.jpg b/res/themes/element/img/backgrounds/valley.jpg
deleted file mode 100644
index 379b9233a9..0000000000
Binary files a/res/themes/element/img/backgrounds/valley.jpg and /dev/null differ
diff --git a/src/components/views/auth/VectorAuthPage.js b/src/components/views/auth/VectorAuthPage.js
index c0f9b1cb99..19fd618073 100644
--- a/src/components/views/auth/VectorAuthPage.js
+++ b/src/components/views/auth/VectorAuthPage.js
@@ -28,7 +28,7 @@ export default class VectorAuthPage extends React.PureComponent {
         if (VectorAuthPage.welcomeBackgroundUrl) return VectorAuthPage.welcomeBackgroundUrl;
 
         const brandingConfig = SdkConfig.get().branding;
-        VectorAuthPage.welcomeBackgroundUrl = "themes/element/img/backgrounds/valley.jpg";
+        VectorAuthPage.welcomeBackgroundUrl = "themes/element/img/backgrounds/lake.jpg";
         if (brandingConfig && brandingConfig.welcomeBackgroundUrl) {
             if (Array.isArray(brandingConfig.welcomeBackgroundUrl)) {
                 const index = Math.floor(Math.random() * brandingConfig.welcomeBackgroundUrl.length);