diff --git a/src/skins/vector/css/matrix-react-sdk/structures/RoomView.css b/src/skins/vector/css/matrix-react-sdk/structures/RoomView.css
index 3b3c396f8..b7fe0441c 100644
--- a/src/skins/vector/css/matrix-react-sdk/structures/RoomView.css
+++ b/src/skins/vector/css/matrix-react-sdk/structures/RoomView.css
@@ -208,10 +208,10 @@ hr.mx_RoomView_myReadMarker {
     z-index: 1000;
     overflow: hidden;
 
-    -webkit-transition: all .5s ease-in-out;
-    -moz-transition: all .5s ease-in-out;
-    -ms-transition: all .5s ease-in-out;
-    -o-transition: all .5s ease-in-out;
+    -webkit-transition: all .2s ease-in-out;
+    -moz-transition: all .2s ease-in-out;
+    -ms-transition: all .2s ease-in-out;
+    -o-transition: all .2s ease-in-out;
 }
 
 .mx_RoomView_statusArea_expanded {