diff --git a/README.md b/README.md
index 0cc340b..1587c82 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ class ZipFileGenerator
         subdir =Dir.entries(diskFilePath); subdir.delete("."); subdir.delete("..")
         writeEntries(subdir, zipFilePath, io)
       else
-        io.get_output_stream(zipFilePath) { |f| f.puts(File.open(diskFilePath, "rb").read())}
+        io.get_output_stream(zipFilePath) { |f| f.print(File.open(diskFilePath, "rb").read())}
       end
     }
   end