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-rw-r--r--lib/puppet/application/interface_base.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/puppet/application/interface_base.rb b/lib/puppet/application/interface_base.rb
index 044249d39..70022f17d 100644
--- a/lib/puppet/application/interface_base.rb
+++ b/lib/puppet/application/interface_base.rb
@@ -61,6 +61,8 @@ class Puppet::Application::InterfaceBase < Puppet::Application
@verb, @arguments = command_line.args
@arguments ||= []
+ @arguments = Array(@arguments)
+
@type = self.class.name.to_s.sub(/.+:/, '').downcase.to_sym
unless @interface = Puppet::Interface.interface(@type)