bin/tex2image in madowu-0.0.7 vs bin/tex2image in madowu-0.0.8

@@ -58,10 +58,10 @@
 img_file = Pathname(tex_file).sub_ext(".#{img_ext}").to_s
 
 
 commands = []
 commands << "#{LATEX} #{tex_file} > /dev/null"
-commands << "#{CONVERT} -trim -density #{density}x#{density} #{dvi_file} #{img_file}"
+commands << "#{CONVERT} -background white -alpha deactivate -trim -density #{density}x#{density} #{dvi_file} #{img_file}"
 execute(commands)
 commands = []
 
 trash_exts = [ 'aux', 'dvi', 'fdb_latexmk', 'fls', 'log']
 trash_exts.each do |ext|