diff --git a/lib/cartodb/server.js b/lib/cartodb/server.js
index 7df6a69f..ed24f651 100644
--- a/lib/cartodb/server.js
+++ b/lib/cartodb/server.js
@@ -3,6 +3,7 @@ var bodyParser = require('body-parser');
 var RedisPool = require('redis-mpool');
 var cartodbRedis = require('cartodb-redis');
 var _ = require('underscore');
+var debug = require('debug')('windshaft:cartodb');
 
 var controller = require('./controllers');
 
@@ -231,7 +232,7 @@ function validateOptions(opts) {
 
     // Be nice and warn if configured mapnik version is != instaled mapnik version
     if (mapnik.versions.mapnik !== opts.grainstore.mapnik_version) {
-        console.warn('WARNING: detected mapnik version (' + mapnik.versions.mapnik + ')' +
+        debug('WARNING: detected mapnik version (' + mapnik.versions.mapnik + ')' +
             ' != configured mapnik version (' + opts.grainstore.mapnik_version + ')');
     }
 }