diff --git a/apps/openmw/CMakeLists.txt b/apps/openmw/CMakeLists.txt
index 0efb269b9..a681a6f40 100644
--- a/apps/openmw/CMakeLists.txt
+++ b/apps/openmw/CMakeLists.txt
@@ -101,7 +101,7 @@ add_openmw_dir (mwmp Main Networking LocalPlayer DedicatedPlayer PlayerList Loca
     Cell CellController MechanicsHelper GUIController
     )
 
-add_openmw_dir (mwmp/GUI GUIChat GUILogin PlayerMarkerCollection GUIDialogList TextInputDialog
+add_openmw_dir (mwmp/GUI GUIChat GUILogin PlayerMarkerCollection GUIDialogList TextInputDialog GUICustomWindow
     )
 
 add_openmw_dir(mwmp/processors BaseClientPacketProcessor PlayerProcessor WorldProcessor ActorProcessor ProcessorInitializer
diff --git a/components/CMakeLists.txt b/components/CMakeLists.txt
index 6fb7ce26d..a7b721454 100644
--- a/components/CMakeLists.txt
+++ b/components/CMakeLists.txt
@@ -189,7 +189,7 @@ add_component_dir (openmw-mp/Packets/Player
         PacketPlayerInventory PacketPlayerJail PacketPlayerJournal PacketPlayerKillCount PacketPlayerLevel
         PacketPlayerMap PacketPlayerPosition PacketPlayerRegionAuthority PacketPlayerRest PacketPlayerResurrect
         PacketPlayerShapeshift PacketPlayerSkill PacketPlayerSpeech PacketPlayerSpellbook PacketPlayerStatsDynamic
-        PacketPlayerTopic
+        PacketPlayerTopic PacketGUIWindow
         )
 
 add_component_dir (openmw-mp/Packets/World