diff --git a/dlls/x11drv/desktop.c b/dlls/x11drv/desktop.c
index 8b356df1fc2..f70281f6cf6 100644
--- a/dlls/x11drv/desktop.c
+++ b/dlls/x11drv/desktop.c
@@ -114,9 +114,9 @@ static unsigned int dd_mode_count;
 static unsigned int max_width;
 static unsigned int max_height;
 
-static const unsigned int widths[]  = {320, 512, 640, 800, 1024, 1152, 1280, 1600};
-static const unsigned int heights[] = {200, 384, 480, 600,  768,  864, 1024, 1200};
-#define NUM_DESKTOP_MODES (8)
+static const unsigned int widths[]  = {320, 400, 512, 640, 800, 1024, 1152, 1280, 1400, 1600};
+static const unsigned int heights[] = {200, 300, 384, 480, 600,  768,  864, 1024, 1050, 1200};
+#define NUM_DESKTOP_MODES (sizeof(widths) / sizeof(widths[0]))
 
 /* create the mode structures */
 static void make_modes(void)