diff --git a/mini_s3put.rb b/mini_s3put.rb
index 288113d..9bb0545 100644
--- a/mini_s3put.rb
+++ b/mini_s3put.rb
@@ -11,6 +11,7 @@ class MiniS3put
     Aws::S3::Resource.new.bucket(bucket).object(key).put(
       body: instream.read
     ).on_success(&method(:on_put_success))
+    0
   end
 
   def on_put_success(response)
@@ -21,8 +22,6 @@ class MiniS3put
     ).on_success do |acl_response|
       puts acl_response.data
     end
-
-    0
   end
 
   private
@@ -30,4 +29,4 @@ class MiniS3put
   attr_reader :bucket, :key, :instream
 end
 
-exit(MiniS3put.new(ARGV.first).put) if $PROGRAM_NAME == __FILE__
+exit(MiniS3put.new(key: ARGV.first).put) if $PROGRAM_NAME == __FILE__