lib/gelf/logger.rb in gelf_redux-3.2.2 vs lib/gelf/logger.rb in gelf_redux-4.0.0

@@ -12,10 +12,11 @@
       if message.nil?
         message = progname
         progname = default_options['facility']
       end
 
-      message_hash = { 'facility' => progname }
+      message_hash = {}
+      message_hash['facility'] = progname if progname
 
       if message.is_a?(Hash)
         message.each do |key, value|
           message_hash[key.to_s] = value.to_s
         end