diff --git a/src/video/vid_bt48x_ramdac.c b/src/video/vid_bt48x_ramdac.c
index 91ddce956..6b0ec300b 100644
--- a/src/video/vid_bt48x_ramdac.c
+++ b/src/video/vid_bt48x_ramdac.c
@@ -420,7 +420,7 @@ bt48x_hwcursor_draw(svga_t *svga, int displine)
             comb = (b0 | (b1 << 1));
 
             y_pos = displine;
-            x_pos = offset + svga->x_add;
+            x_pos = (offset + svga->x_add) & 2047;
             p     = buffer32->line[y_pos];
 
             if (offset >= svga->dac_hwcursor_latch.x) {