diff --git a/lib/appenders/gelf.js b/lib/appenders/gelf.js
index 8e075b5..e3df4f1 100644
--- a/lib/appenders/gelf.js
+++ b/lib/appenders/gelf.js
@@ -96,8 +96,7 @@ function gelfAppender (layout, host, port, hostname, facility) {
   function preparePacket(loggingEvent) {
     var msg = {};
     addCustomFields(loggingEvent, msg);
-    msg.full_message = layout(loggingEvent);
-    msg.short_message = msg.full_message;
+    msg.short_message = layout(loggingEvent);
     
     msg.version="1.0";
     msg.timestamp = msg.timestamp || new Date().getTime() / 1000; // log should use millisecond 
diff --git a/test/gelfAppender-test.js b/test/gelfAppender-test.js
index 4a1ff58..64750b5 100644
--- a/test/gelfAppender-test.js
+++ b/test/gelfAppender-test.js
@@ -119,8 +119,7 @@ vows.describe('log4js gelfAppender').addBatch({
         assert.equal(message.host, require('os').hostname());
         assert.equal(message.level, 6); //INFO
         assert.equal(message.facility, 'nodejs-server');
-        assert.equal(message.full_message, message.short_message);
-        assert.equal(message.full_message, 'This is a test');
+        assert.equal(message.short_message, 'This is a test');
       }
     }
   },
@@ -251,7 +250,6 @@ vows.describe('log4js gelfAppender').addBatch({
         assert.equal(message._every2, 'Overwritten!'); // the overwritten value
         assert.equal(message._myField, 'This is my field!'); // the value for this message only
         assert.equal(message.short_message, 'Just testing.'); // skip the field object 
-        assert.equal(message.full_message, 'Just testing.'); // should be as same as short_message 
       }
     }
   }