diff --git a/src/window.c b/src/window.c
index 1feb9146e1..d7fa7cd63f 100644
--- a/src/window.c
+++ b/src/window.c
@@ -377,9 +377,11 @@ rct_window *window_create(int x, int y, int width, int height, uint32 *event_han
 	w->var_4B9 = -1;
 	w->flags = flags;
 
-	// Play sound
-	if (!(flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)))
+	// Play sounds and flash the window
+	if (!(flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))){
+		w->flags |= WF_WHITE_BORDER_MASK;
 		sound_play_panned(SOUND_WINDOW_OPEN, x + (width / 2));
+	}
 
 	w->number = 0;
 	w->x = x;
@@ -1360,4 +1362,4 @@ void window_resize_gui(int width, int height)
 		exitWind->x = width - 40;
 		exitWind->y = height - 64;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/window_guest_list.c b/src/window_guest_list.c
index 47c825e04e..3bfa1befa9 100644
--- a/src/window_guest_list.c
+++ b/src/window_guest_list.c
@@ -176,7 +176,7 @@ void window_guest_list_open()
 	window->min_height = 330;
 	window->max_width = 500;
 	window->max_height = 450;
-	window->flags = WF_RESIZABLE;
+	window->flags |= WF_RESIZABLE;
 	window->colours[0] = 1;
 	window->colours[1] = 15;
 	window->colours[2] = 15;
diff --git a/src/window_ride_list.c b/src/window_ride_list.c
index 84902b4d02..de14dd20ad 100644
--- a/src/window_ride_list.c
+++ b/src/window_ride_list.c
@@ -160,7 +160,7 @@ void window_ride_list_open()
 		window->min_height = 240;
 		window->max_width = 400;
 		window->max_height = 450;
-		window->flags = WF_RESIZABLE;
+		window->flags |= WF_RESIZABLE;
 		window->colours[0] = 1;
 		window->colours[1] = 26;
 		window->colours[2] = 26;