diff --git a/dlls/user32/tests/win.c b/dlls/user32/tests/win.c
index cd83749e702..03ff8f5b0e2 100644
--- a/dlls/user32/tests/win.c
+++ b/dlls/user32/tests/win.c
@@ -3424,6 +3424,14 @@ static void test_window_styles(void)
     check_window_style(WS_CHILD, WS_EX_DLGMODALFRAME|WS_EX_STATICEDGE, WS_CHILD, WS_EX_STATICEDGE|WS_EX_WINDOWEDGE|WS_EX_DLGMODALFRAME);
     check_window_style(WS_CAPTION, WS_EX_STATICEDGE, WS_CLIPSIBLINGS|WS_CAPTION, WS_EX_STATICEDGE|WS_EX_WINDOWEDGE);
     check_window_style(0, WS_EX_APPWINDOW, WS_CLIPSIBLINGS|WS_CAPTION, WS_EX_APPWINDOW|WS_EX_WINDOWEDGE);
+
+    if (pGetLayeredWindowAttributes)
+    {
+        check_window_style(0, WS_EX_LAYERED, WS_CLIPSIBLINGS|WS_CAPTION, WS_EX_LAYERED|WS_EX_WINDOWEDGE);
+        check_window_style(0, WS_EX_LAYERED|WS_EX_TRANSPARENT, WS_CLIPSIBLINGS|WS_CAPTION, WS_EX_LAYERED|WS_EX_TRANSPARENT|WS_EX_WINDOWEDGE);
+        check_window_style(0, WS_EX_LAYERED|WS_EX_TRANSPARENT|WS_EX_TOOLWINDOW, WS_CLIPSIBLINGS|WS_CAPTION,
+                                                      WS_EX_LAYERED|WS_EX_TRANSPARENT|WS_EX_TOOLWINDOW|WS_EX_WINDOWEDGE);
+    }
 }
 
 static void test_scrollwindow( HWND hwnd)