bin/check-http-json.rb in sensu-plugins-http-2.0.0 vs bin/check-http-json.rb in sensu-plugins-http-2.0.1

@@ -90,11 +90,11 @@
     when Array
       data.each_with_index do |value, index|
         arr_key = parent + '[' + index.to_s + ']'
 
         if arr_key == desired_key
-          return value
+          return value.nil? ? 'null' : value
         end
 
         if desired_key.include? arr_key
           search = deep_value(value, desired_key, arr_key)
 
@@ -105,10 +105,10 @@
       data.each do |key, value|
         key_prefix = parent.empty? ? '' : '.'
         hash_key = parent + key_prefix + key
 
         if hash_key == desired_key
-          return value
+          return value.nil? ? 'null' : value
         end
 
         if desired_key.include?(hash_key + '.') || desired_key.include?(hash_key + '[')
           search = deep_value(value, desired_key, hash_key)