diff --git a/src/skins/vector/css/matrix-react-sdk/structures/_RoomView.scss b/src/skins/vector/css/matrix-react-sdk/structures/_RoomView.scss
index 9e30b9f21c..8623e032d0 100644
--- a/src/skins/vector/css/matrix-react-sdk/structures/_RoomView.scss
+++ b/src/skins/vector/css/matrix-react-sdk/structures/_RoomView.scss
@@ -160,7 +160,7 @@ hr.mx_RoomView_myReadMarker {
     flex: 0 0 auto;
 
     max-height: 0px;
-    background-color: #fff;
+    background-color: $primary-bg-color;
     z-index: 1000;
     overflow: hidden;