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-rw-r--r--lib/dtas/xs.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/dtas/xs.rb b/lib/dtas/xs.rb
index 04ac252..7b3a0c2 100644
--- a/lib/dtas/xs.rb
+++ b/lib/dtas/xs.rb
@@ -9,6 +9,6 @@ require 'shellwords'
 # again, filesystems can use any byte value in names except '\0'.
 module DTAS::XS # :nodoc:
   def xs(ary)
-    Shellwords.join(ary.map(&:b))
+    Shellwords.join(Array(ary).map(&:b))
   end
 end