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-rw-r--r--lib/puppet/parser/functions/getparam.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/getparam.rb b/lib/puppet/parser/functions/getparam.rb
index 0962656..6d51006 100644
--- a/lib/puppet/parser/functions/getparam.rb
+++ b/lib/puppet/parser/functions/getparam.rb
@@ -25,6 +25,8 @@ ENDOFDOC
raise(ArgumentError, 'Must specify a reference') unless reference
raise(ArgumentError, 'Must specify name of a parameter') unless param and param.instance_of? String
+ return '' if param.empty?
+
if resource = findresource(reference.to_s)
return resource[param] if resource[param]
end