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-rw-r--r--lib/alaveteli_external_command.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/alaveteli_external_command.rb b/lib/alaveteli_external_command.rb
index b1d4f17d1..7d32be904 100644
--- a/lib/alaveteli_external_command.rb
+++ b/lib/alaveteli_external_command.rb
@@ -30,7 +30,7 @@ module AlaveteliExternalCommand
if opts.has_key? :append_to
xc.out = opts[:append_to]
end
- xc.run(opts[:stdin_string], opts[:env] || {})
+ xc.run(opts[:stdin_string] || "", opts[:env] || {})
if xc.status != 0
# Error
$stderr.puts("Error from #{program_name} #{args.join(' ')}:")