diff --git a/hosts/common/programs/assorted.nix b/hosts/common/programs/assorted.nix
index 8e1cf9d3..654c4535 100644
--- a/hosts/common/programs/assorted.nix
+++ b/hosts/common/programs/assorted.nix
@@ -1182,16 +1182,20 @@ in
   }));
 
   system.activationScripts.notifyActive = lib.mkIf config.sane.programs.guiApps.enabled {
-    text = ''
-      # notify all logged-in users that the system has been activated/upgraded.
-      if [ -d /run/user ]; then
-        for uid in $(ls /run/user); do
-          PATH="$PATH:${pkgs.sudo}/bin" \
-          sudo -u "#$uid" env DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/$uid/bus" \
-            PATH="$PATH:${pkgs.libnotify}/bin" \
-            notify-send 'nixos activated' "version: $(cat "$systemConfig/nixos-version")"
-        done
-      fi
-    '';
+    text = lib.concatStringsSep "\n" ([
+        ''
+          tryNotifyUser() {
+            local user="$1"
+            local new_path="$PATH:${pkgs.sudo}/bin:${pkgs.libnotify}/bin"
+            local version="$(cat $systemConfig/nixos-version)"
+            PATH="$new_path" sudo -u "$user" \
+              env PATH="$new_path" NIXOS_VERSION="$version" /bin/sh -c \
+              '. $HOME/.profile; dbus_file="$XDG_RUNTIME_DIR/bus"; if [ -e "$dbus_file" ]; then DBUS_SESSION_BUS_ADDRESS="unix:path=$dbus_file" notify-send "nixos activated" "version: $NIXOS_VERSION" ; fi'
+          }
+        ''
+      ] ++ lib.mapAttrsToList
+        (user: en: lib.optionalString en "tryNotifyUser ${user}")
+        config.sane.programs.guiApps.enableFor.user
+    );
   };
 }