diff --git a/CSS/themes/thelounge/thelounge-base.css b/CSS/themes/thelounge/thelounge-base.css
index 1e794bbe..40d9728d 100644
--- a/CSS/themes/thelounge/thelounge-base.css
+++ b/CSS/themes/thelounge/thelounge-base.css
@@ -101,4 +101,6 @@
 .btn {
     color: inherit;
 }
-
+.mentions-popup {
+    background: var(--body-bg-color);
+ }