diff --git a/src/openrct2-ui/WindowManager.cpp b/src/openrct2-ui/WindowManager.cpp
index 60c1efa023..0508e1b6c3 100644
--- a/src/openrct2-ui/WindowManager.cpp
+++ b/src/openrct2-ui/WindowManager.cpp
@@ -56,6 +56,8 @@ public:
             return window_finances_open();
         case WC_FOOTPATH:
             return window_footpath_open();
+        case WC_GUEST_LIST:
+            return window_guest_list_open();
         case WC_LAND:
             return window_land_open();
         case WC_LAND_RIGHTS: