diff --git a/apps/theming/css/theming.scss b/apps/theming/css/theming.scss
index 2a5a0e5cd4..2d0afa2d29 100644
--- a/apps/theming/css/theming.scss
+++ b/apps/theming/css/theming.scss
@@ -49,7 +49,8 @@
 }
 
 #body-login,
-#firstrunwizard .firstrunwizard-header {
+#firstrunwizard .firstrunwizard-header,
+#theming-preview {
 	background-image: url(#{$image-login-background});
 	background-color: $color-primary;
 }