# Force result of Fixnum division to Fixnum

The mathn library overrides Fixnum division to return a rational, so
`1/2 => (1/2)` instead of `1/2 => 0`. Axslx calls chr on the result of
Fixnum division, which is incompatible. Fix it by forcing to integer.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/axlsx.rb b/lib/axlsx.rb
index 46d1c9bf..6fce32b5 100644
--- a/lib/axlsx.rb
+++ b/lib/axlsx.rb
@@ -71,7 +71,7 @@ module Axlsx
     chars = []
     while index >= 26 do
       chars << ((index % 26) + 65).chr
-      index = index / 26 - 1
+      index = (index / 26).to_i - 1
     end
     chars << (index + 65).chr
     chars.reverse.join