diff --git a/dispatchers/list_dispatcher.js b/dispatchers/list_dispatcher.js
index b9c9ec1..5b3e8db 100644
--- a/dispatchers/list_dispatcher.js
+++ b/dispatchers/list_dispatcher.js
@@ -1,5 +1,4 @@
-require('./../fields_mapping')();
-require('./../environment')();
+var thothFieldsMappings = require('./../fields_mapping')();
 
 var http              = require('http');
 var httpRequestHelper = require('./../helpers/http_request');
@@ -28,4 +27,4 @@ module.exports = {
       console.log(e);
     });
   }
-};
\ No newline at end of file
+};
diff --git a/dispatchers/pools_dispatcher.js b/dispatchers/pools_dispatcher.js
index ae244a4..d57d912 100644
--- a/dispatchers/pools_dispatcher.js
+++ b/dispatchers/pools_dispatcher.js
@@ -1,5 +1,4 @@
-require('./../fields_mapping')();
-require('./../environment')();
+var thothFieldsMappings = require('./../fields_mapping')();
 
 var http = require('http');
 var httpRequestHelper = require('./../helpers/http_request');
@@ -42,4 +41,4 @@ module.exports = {
       console.log('error while trying to dispatch pool request', e);
     });
   }
-};
\ No newline at end of file
+};
diff --git a/dispatchers/realtime_dispatcher.js b/dispatchers/realtime_dispatcher.js
index 93fa5f9..eccaf5c 100644
--- a/dispatchers/realtime_dispatcher.js
+++ b/dispatchers/realtime_dispatcher.js
@@ -1,5 +1,4 @@
-require('./../fields_mapping')();
-require('./../environment')();
+var thothFieldsMappings = require('./../fields_mapping')();
 
 var http = require('http');
 var querystring = require('querystring');
@@ -78,4 +77,4 @@ module.exports = {
       console.log('Error while trying to get zero hits real time data: ', e);
     });
   }
-};
\ No newline at end of file
+};
diff --git a/dispatchers/servers_dispatcher.js b/dispatchers/servers_dispatcher.js
index 695751b..6bf9d05 100644
--- a/dispatchers/servers_dispatcher.js
+++ b/dispatchers/servers_dispatcher.js
@@ -1,5 +1,4 @@
-require('./../fields_mapping')();
-require('./../environment')();
+var thothFieldsMappings = require('./../fields_mapping')();
 
 var http = require('http');
 var httpRequestHelper = require('./../helpers/http_request');
@@ -72,4 +71,4 @@ module.exports = {
       });
     }
   }
-};
\ No newline at end of file
+};
diff --git a/fields_mapping.js b/fields_mapping.js
index a5f32fc..169143a 100644
--- a/fields_mapping.js
+++ b/fields_mapping.js
@@ -1,5 +1,5 @@
 module.exports = function () {
-  thothFieldsMappings = {
+  return {
     avg : {
       qtime: 'avg_qtime_d',
       nqueries: 'tot-count_i',
@@ -20,6 +20,6 @@ module.exports = function () {
     },
     slowqueries: 'params_s,qtime_i',
     exception: 'params_s,stackTrace_s'
-       
+
   };
-};
\ No newline at end of file
+};