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-rw-r--r--lib/mogilefs/paths_size.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/mogilefs/paths_size.rb b/lib/mogilefs/paths_size.rb
index ba61f9e..0aa676d 100644
--- a/lib/mogilefs/paths_size.rb
+++ b/lib/mogilefs/paths_size.rb
@@ -10,7 +10,7 @@ module MogileFS::PathsSize
       begin
         case r = Net::HTTP.start(uri.host, uri.port) { |x| x.head(uri.path) }
         when Net::HTTPOK
-          return r["Content-Length"].to_i
+          return r['Content-Length'.freeze].to_i
         else
           errors[path] = r
         end