diff --git a/lib/grape_logging/formatters/logstash.rb b/lib/grape_logging/formatters/logstash.rb
index a906b10..51192a2 100644
--- a/lib/grape_logging/formatters/logstash.rb
+++ b/lib/grape_logging/formatters/logstash.rb
@@ -6,7 +6,7 @@ module GrapeLogging
           :'@timestamp' => datetime.iso8601,
           :'@version' => '1',
           :severity => severity
-        }.merge!(format(data)).to_json
+        }.merge!(format(data)).to_json + "\n"
       end
 
       private