diff --git a/data/themes/dark.py b/data/themes/dark.py
index 0d4f9b69..f176617e 100644
--- a/data/themes/dark.py
+++ b/data/themes/dark.py
@@ -21,6 +21,7 @@ class DarkTheme(theming.Theme):
     COLOR_TAB_ATTENTION = (6, 236)
     COLOR_TAB_PRIVATE = (2, 236)
     COLOR_TAB_DISCONNECTED = (13, 236)
+    COLOR_TAB_SCROLLED = (66, 236)
 
     COLOR_TOPIC_BAR = (-1, 236)
     COLOR_SCROLLABLE_NUMBER = (220, 236, 'b')