diff --git a/icons/upstream/gnome-calendar-symbolics.list b/icons/upstream/gnome-calendar-symbolics.list
index 9e0eab734f..ff5e3b6213 100644
--- a/icons/upstream/gnome-calendar-symbolics.list
+++ b/icons/upstream/gnome-calendar-symbolics.list
@@ -4,6 +4,7 @@
 ./src/gui/icons/calendar-month-symbolic.svg
 ./src/gui/icons/calendar-today-symbolic.svg
 ./src/gui/icons/calendar-week-symbolic.svg
+./src/gui/icons/clock-alt-symbolic.svg
 ./src/gui/icons/edit-symbolic.svg
 ./src/gui/icons/external-link-symbolic.svg
 ./src/gui/icons/eye-not-looking-symbolic.svg