diff --git a/peertube-theme-dark/assets/style.css b/peertube-theme-dark/assets/style.css
index 76a590f..600ae81 100644
--- a/peertube-theme-dark/assets/style.css
+++ b/peertube-theme-dark/assets/style.css
@@ -2,8 +2,11 @@ body {
   --mainBackgroundColor: #111111;
   --mainForegroundColor: #fff;
 
+  /* Compat with PeerTube < 3.2 */
   --submenuColor: rgb(32, 32, 32);
 
+  --submenuBackgroundColor: rgb(32, 32, 32);
+
   --inputForegroundColor: #fff;
   --inputBackgroundColor: gray;
   --inputPlaceholderColor: #fff;