diff --git a/installation.md b/installation.md
index 21c3153..d1d684a 100644
--- a/installation.md
+++ b/installation.md
@@ -272,7 +272,7 @@ Additional tasks to do if you wish to run graphical applications on the system.
 Install the desktop environment :
 ```
 # apk add '!gnome-apps'
-# apk add gnome gnome-console gnome-software gnome-system-monitor gnome-tweaks gnome-text-editor loupe evince
+# apk add gnome gnome-console gnome-software gnome-system-monitor gnome-tweaks gnome-text-editor loupe evince gnome-calculator
 ```
 
 If non `us` keymap, set the X11 keymap for GDM :