diff --git a/src/skins/vector/css/themes/_dark.scss b/src/skins/vector/css/themes/_dark.scss
index c22c5a4442..034bd748ef 100644
--- a/src/skins/vector/css/themes/_dark.scss
+++ b/src/skins/vector/css/themes/_dark.scss
@@ -20,6 +20,9 @@ $focus-brightness: 200%;
 // red warning colour
 $warning-color: #ff0064;
 
+// groups
+$group-my-groups-placeholder-bg: #454545;
+
 $other-user-pill-bg-color: rgba(255, 255, 255, 0.1);
 
 $preview-bar-bg-color: #333;