diff --git a/src/window.h b/src/window.h
index dff987d918..3b80f58142 100644
--- a/src/window.h
+++ b/src/window.h
@@ -361,6 +361,7 @@ void window_water_open();
 void window_guest_list_open();
 void window_park_awards_open();
 void window_park_entrance_open();
+void window_park_guests_open();
 void window_park_objective_open();
 void window_park_rating_open();
 void window_ride_list_open();
diff --git a/src/window_game_bottom_toolbar.c b/src/window_game_bottom_toolbar.c
index 4169876f68..a5914cf9ef 100644
--- a/src/window_game_bottom_toolbar.c
+++ b/src/window_game_bottom_toolbar.c
@@ -163,7 +163,7 @@ static void window_game_bottom_toolbar_mouseup()
 			RCT2_CALLPROC_EBPSAFE(0x0069DDF1);
 		break;
 	case WIDX_GUESTS:
-		RCT2_CALLPROC_EBPSAFE(0x00667D35);
+		window_park_guests_open();
 		break;
 	case WIDX_PARK_RATING:
 		window_park_rating_open();
diff --git a/src/window_park.c b/src/window_park.c
index 3ed83cd0e0..e01ca4550a 100644
--- a/src/window_park.c
+++ b/src/window_park.c
@@ -1226,6 +1226,35 @@ static void window_park_rating_paint()
 
 #pragma region Guests page
 
+/**
+*
+*  rct2: 0x00667D35
+*/
+void window_park_guests_open()
+{
+	rct_window* window;
+
+	window = window_bring_to_front_by_id(WC_PARK_INFORMATION, 0);
+	if (window == NULL) {
+		window = window_park_open();
+		window->var_482 = -1;
+		window->var_484 = -1;
+	}
+
+	if (RCT2_GLOBAL(0x009DE518, uint32) & (1 << 3))
+	if (window->classification == RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWCLASS, rct_windowclass) && window->number == RCT2_GLOBAL(RCT2_ADDRESS_TOOL_WINDOWNUMBER, rct_windownumber))
+		tool_cancel();
+
+	window->viewport = NULL;
+	window->page = WINDOW_PARK_PAGE_GUESTS;
+	window_invalidate(window);
+	window->widgets = window_park_guests_widgets;
+	window->enabled_widgets = window_park_page_enabled_widgets[WINDOW_PARK_PAGE_GUESTS];
+	window->var_020 = 0;
+	window->event_handlers = window_park_guests_events;
+	window_init_scroll_widgets(window);
+}
+
 /**
  *
  *  rct2: 0x00668DEB