diff --git a/data/theme/Adwaita.css b/data/theme/Adwaita.css
index 78427a80..c674a3fa 100644
--- a/data/theme/Adwaita.css
+++ b/data/theme/Adwaita.css
@@ -258,6 +258,7 @@ event.color-light:backdrop {
 }
 
 /* adds a subtle shadow to the calendar color dot when it makes sense */
+image.calendar-color-image,
 button:active:not(:backdrop) .calendar-color-image,
 button:checked:not(:backdrop) .calendar-color-image,
 .calendars-list .calendar-color-image:not(:backdrop):not(:disabled),