From 2e11b5f8d3d565c1d1631113287877cb934e2c2b Mon Sep 17 00:00:00 2001
From: Robin Stuart <rstuart114@gmail.com>
Date: Fri, 19 Aug 2016 18:22:16 +0100
Subject: [PATCH] Bugfix: Crash on setting option_2 for DotCode

Bug report by Michael
---
 backend/dotcode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/dotcode.c b/backend/dotcode.c
index 673dfa07..00194b4a 100644
--- a/backend/dotcode.c
+++ b/backend/dotcode.c
@@ -1076,7 +1076,7 @@ int dotcode(struct zint_symbol *symbol, unsigned char source[], int length) {
     } else {
         width = symbol->option_2;
 
-        height = min_dots / width;
+        height = (2 * min_dots) / width;
 
         if (!((width + height) % 2)) {
             height++;