diff --git a/dlls/x11drv/x11drv_main.c b/dlls/x11drv/x11drv_main.c
index 5bc7cf1c526..86cf3eedd64 100644
--- a/dlls/x11drv/x11drv_main.c
+++ b/dlls/x11drv/x11drv_main.c
@@ -82,7 +82,10 @@ unsigned int screen_height;
 unsigned int screen_depth;
 Window root_window;
 DWORD desktop_tid = 0;
-int dxgrab, usedga, usexvidmode, usexrandr;
+int dxgrab = 0;
+int usedga = 0;
+int usexvidmode = 0;
+int usexrandr = 1;
 int use_xkb = 1;
 int use_take_focus = 1;
 int managed_mode = 1;