diff --git a/userChrome-files/dark_nav_bar_menus.css b/userChrome-files/dark_nav_bar_menus.css
index fbeb855..fd0a00c 100644
--- a/userChrome-files/dark_nav_bar_menus.css
+++ b/userChrome-files/dark_nav_bar_menus.css
@@ -36,6 +36,11 @@ photonpanelmultiview panelview {
     color: var(--primary-light-color) !important;
 }
 
+/* Fix downloads list - only appears to be necessary in Nightly */
+#downloadsListBox {
+    background: var(--primary-dark-color) !important;
+}
+
 
 #appMenu-mainView toolbarbutton:hover,  #customizationui-widget-multiview toolbarbutton:hover,
 #widget-overflow-list toolbarbutton:hover {