diff --git a/reactos/subsystems/win32/csrss/win32csr/desktopbg.c b/reactos/subsystems/win32/csrss/win32csr/desktopbg.c
index 65e89ed65ad..ed17c226b6c 100644
--- a/reactos/subsystems/win32/csrss/win32csr/desktopbg.c
+++ b/reactos/subsystems/win32/csrss/win32csr/desktopbg.c
@@ -126,7 +126,7 @@ DtbgInit()
    * Create the desktop window class
    */
   Class.cbSize = sizeof(WNDCLASSEXW);
-  Class.style = 0;
+  Class.style = CS_GLOBALCLASS;
   Class.lpfnWndProc = DtbgWindowProc;
   Class.cbClsExtra = 0;
   Class.cbWndExtra = 0;