diff --git a/src/video/vid_bochs_vbe.c b/src/video/vid_bochs_vbe.c
index ea0b8872b..0a41bec2d 100644
--- a/src/video/vid_bochs_vbe.c
+++ b/src/video/vid_bochs_vbe.c
@@ -319,7 +319,7 @@ bochs_vbe_recalctimings(svga_t* svga)
         svga->vtotal = mode.vtotal;
         svga->htotal = mode.htotal;
         svga->hblankstart = mode.hdisplay;
-        svga->hblankend = mode.hdisplay + (mode.htotal - mode.hdisplay - 1);
+        svga->hblankend = mode.htotal - 1;
         svga->vblankstart = svga->dispend; /* no vertical overscan. */
         svga->rowcount = 0;
         svga->hoverride = 1;