diff --git a/sakata2umap.rb b/sakata2umap.rb
index 88369c7..6e7ee97 100755
--- a/sakata2umap.rb
+++ b/sakata2umap.rb
@@ -29,8 +29,10 @@
     imgurlmap	= ARGV[1]; ARGV.shift
   when "-r"
     imgurlrepo	= ARGV[1]; ARGV.shift
-  when "-d"
+  when "-y"
     imgurldir	= "raw/master/" + ARGV[1]; ARGV.shift
+  when "-d"
+    imgurldir	= ARGV[1]; ARGV.shift
   when "-o"
     outfile	= ARGV[1]; ARGV.shift
   when "-q"