diff --git a/nixos/modules/services/x11/desktop-managers/kde4.nix b/nixos/modules/services/x11/desktop-managers/kde4.nix
index f7579fce7b5..16c99862e9e 100644
--- a/nixos/modules/services/x11/desktop-managers/kde4.nix
+++ b/nixos/modules/services/x11/desktop-managers/kde4.nix
@@ -152,7 +152,9 @@ in
           xorg.xauth # used by kdesu
           pkgs.shared_desktop_ontologies # used by nepomuk
           pkgs.strigi # used by nepomuk
+          pkgs.kde4.akonadi
           pkgs.mysql # used by akonadi
+          pkgs.kde4.kdepim_runtime
         ]
       ++ lib.optional config.hardware.pulseaudio.enable pkgs.kde4.kmix  # Perhaps this should always be enabled
       ++ lib.optional config.hardware.bluetooth.enable pkgs.kde4.bluedevil