diff --git a/fractal-gtk/res/app.css b/fractal-gtk/res/app.css
index ac9e89d6..99724eec 100644
--- a/fractal-gtk/res/app.css
+++ b/fractal-gtk/res/app.css
@@ -126,11 +126,11 @@ row:not(:selected) .member-uid {
 }
 
 .direct-chat {
-  color: alpha(@theme_fg_color, 0.5);
+  opacity: 0.4;
 }
 
 .room-list list row:selected .direct-chat {
-  color: alpha(@theme_selected_fg_color, 0.5);
+  opacity: 0.5;
 }
 
 .collapsed row:selected {