diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index 01345a6bd..6d74e84c8 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1,2 +1,3 @@
+- Fix: ensure device apikey in already provisioned device (#1430)
 - Upgrade mongodb dev dep from 4.7.0 to 4.17.0
 - Upgrade mongoose dep from 5.13.14 to 5.13.20
diff --git a/lib/services/devices/deviceService.js b/lib/services/devices/deviceService.js
index b68bd0273..d8fdaac1f 100644
--- a/lib/services/devices/deviceService.js
+++ b/lib/services/devices/deviceService.js
@@ -611,6 +611,17 @@ function checkRegistry(fn) {
 function findOrCreate(deviceId, group, callback) {
     getDeviceSilently(deviceId, group.service, group.subservice, function (error, device) {
         if (!error && device) {
+            if (
+                (!('apikey' in device) || device.apikey === undefined) &&
+                'apikey' in group &&
+                group.apikey !== undefined
+            ) {
+                logger.info(context, 'Update provisioned device %j with measure/group apikey %j', device, group.apikey);
+                device.apikey = group.apikey; // group apikey is the same of current measure apikey
+                updateRegisterDevice(device, function (error, device) {
+                    callback(error, device, group);
+                });
+            }
             callback(null, device, group);
         } else if (error.name === 'DEVICE_NOT_FOUND') {
             const newDevice = {