diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index b78a4a263..6efdb0016 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1,2 +1,3 @@
+- Fix: use config.defaultTransport (from config.js or IOTA_DEFAULT_TRANSPORT env var) instead of magic 'HTTP' at provision device
 - Add: X-Processing-Time response header with processing time (in milliseconds) expended by current HTTP measure (iotagent-node-lib#1650)
 - Add: print also IOTA_CONFIG_RETRIEVAL, IOTA_DEFAULT_KEY, IOTA_DEFAULT_TRANSPORT env var values at iotagent startup
diff --git a/lib/bindings/HTTPBinding.js b/lib/bindings/HTTPBinding.js
index bfb64b4ed..6ac7b6ffa 100644
--- a/lib/bindings/HTTPBinding.js
+++ b/lib/bindings/HTTPBinding.js
@@ -506,7 +506,7 @@ function handleError(error, req, res, next) {
 function setPollingAndDefaultTransport(device, group, callback) {
     config.getLogger().debug(context, 'httpbinding.setPollingAndDefaultTransport device %j group %j', device, group);
     if (!device.transport) {
-        device.transport = group && group.transport ? group.transport : 'HTTP';
+        device.transport = group && group.transport ? group.transport : config.getConfig().defaultTransport;
     }
 
     if (device.transport === 'HTTP') {
diff --git a/test/unit/ngsiv2/config-test.js b/test/unit/ngsiv2/config-test.js
index 3289133d3..62b1985df 100644
--- a/test/unit/ngsiv2/config-test.js
+++ b/test/unit/ngsiv2/config-test.js
@@ -69,6 +69,6 @@ config.iota = {
 };
 
 config.defaultKey = '1234';
-config.defaultTransport = 'MQTT';
+config.defaultTransport = 'HTTP';
 
 module.exports = config;