diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index 6a830f1b..a45e0f20 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1,2 +1,3 @@
+FIX: check ngsi version in configuration handler (#500)
 Add missed global config env vars (IOTA_CONFIG_RETRIEVAL, IOTA_DEFAULT_KEY, IOTA_DEFAULT_TRANSPORT)
 Update Docker security practices (Add HEALTHCHECK, Use Anonymous User, Use two-stage build)
diff --git a/lib/iotaUtils.js b/lib/iotaUtils.js
index 12b9c652..f78888e2 100644
--- a/lib/iotaUtils.js
+++ b/lib/iotaUtils.js
@@ -46,7 +46,7 @@ function getEffectiveApiKey(service, subservice, device, callback) {
         config.getLogger().debug(context, 'Using device apikey: %s', device.apikey);
         callback(null, device.apikey);
     } else {
-        iotAgentLib.findConfiguration(service, subservice, function(error, group) {
+        iotAgentLib.findConfiguration(service, subservice, function (error, group) {
             if (group) {
                 config.getLogger().debug(context, 'Using found group: %j', group);
                 callback(null, group.apikey);
@@ -82,14 +82,16 @@ function manageConfiguration(apiKey, deviceId, device, objMessage, sendFunction,
     }
 
     function extractAttributes(results, callback) {
-        if (
+        if (iotAgentLib.configModule.checkNgsi2()) {
+            callback(null, results);
+        } else if (
             results.contextResponses &&
             results.contextResponses[0] &&
             results.contextResponses[0].contextElement.attributes
         ) {
             callback(null, results.contextResponses[0].contextElement.attributes);
         } else {
-            callback("Couldn't find any information in Context Broker response");
+            callback("Couldn't find any information in Context Broker response: " + JSON.stringify(results));
         }
     }
 
@@ -103,7 +105,7 @@ function manageConfiguration(apiKey, deviceId, device, objMessage, sendFunction,
             handleSendConfigurationError
         );
     } else if (objMessage.type === 'subscription') {
-        iotAgentLib.subscribe(device, objMessage.fields, objMessage.fields, function(error) {
+        iotAgentLib.subscribe(device, objMessage.fields, objMessage.fields, function (error) {
             if (error) {
                 config
                     .getLogger()
@@ -145,7 +147,7 @@ function createConfigurationNotification(results) {
 }
 
 function findOrCreate(deviceId, transport, group, callback) {
-    iotAgentLib.getDeviceSilently(deviceId, group.service, group.subservice, function(error, device) {
+    iotAgentLib.getDeviceSilently(deviceId, group.service, group.subservice, function (error, device) {
         if (!error && device) {
             callback(null, device, group);
         } else if (error.name === 'DEVICE_NOT_FOUND') {
@@ -169,7 +171,7 @@ function findOrCreate(deviceId, transport, group, callback) {
             if ('timestamp' in group) {
                 newDevice.timestamp = group.timestamp;
             }
-            iotAgentLib.register(newDevice, function(error, device) {
+            iotAgentLib.register(newDevice, function (error, device) {
                 callback(error, device, group);
             });
         } else {
@@ -187,7 +189,7 @@ function findOrCreate(deviceId, transport, group, callback) {
  */
 function retrieveDevice(deviceId, apiKey, transport, callback) {
     if (apiKey === config.getConfig().defaultKey) {
-        iotAgentLib.getDevicesByAttribute('id', deviceId, null, null, function(error, devices) {
+        iotAgentLib.getDevicesByAttribute('id', deviceId, null, null, function (error, devices) {
             if (error) {
                 callback(error);
             } else if (devices && devices.length === 1) {