diff --git a/src/devctxt.c b/src/devctxt.c
index f6fb92b..bafd68e 100755
--- a/src/devctxt.c
+++ b/src/devctxt.c
@@ -100,7 +100,7 @@ static BOOL internal_line(PDCTXT pdctxt, INT32 x1, INT32 y1, INT32 x2, INT32 y2)
 {
   INT32 buffer[4];
   if (line_clip(buffer, x1 << CPX, y1 << CPX, x2 << CPX, y2 << CPX, pdctxt->cliprect.left << CPX, pdctxt->cliprect.top << CPX,
-				pdctxt->cliprect.right << CPX, pdctxt->cliprect.bottom << CPX))
+				(pdctxt->cliprect.right - 1) << CPX, (pdctxt->cliprect.bottom - 1) << CPX))
     return (*pdctxt->funcs->line)(pdctxt->privdata, buffer[0] >> CPX, buffer[1] >> CPX, buffer[2] >> CPX, buffer[3] >> CPX, pdctxt->color, pdctxt->rop2);
   return TRUE;
 }