diff --git a/lib/cartodb/backends/analysis.js b/lib/cartodb/backends/analysis.js
index 6470276e..2194dd75 100644
--- a/lib/cartodb/backends/analysis.js
+++ b/lib/cartodb/backends/analysis.js
@@ -24,11 +24,7 @@ AnalysisBackend.prototype.setBatchConfig = function (options) {
 };
 
 AnalysisBackend.prototype.setLoggerConfig = function (options) {
-    var loggerConfig = options || {};
-
-    loggerConfig.filename = loggerConfig.filename;
-
-    this.loggerConfig = loggerConfig;
+    this.loggerConfig = options || {};
 
     if (this.loggerConfig.filename) {
         this.stream = fs.createWriteStream(this.loggerConfig.filename, { flags: 'a', encoding: 'utf8' });