diff --git a/ereuse_devicehub/migrations/versions/8cb91ad1cc40_add_code_to_device.py b/ereuse_devicehub/migrations/versions/8cb91ad1cc40_add_code_to_device.py
index 46f0dca9..e8025635 100644
--- a/ereuse_devicehub/migrations/versions/8cb91ad1cc40_add_code_to_device.py
+++ b/ereuse_devicehub/migrations/versions/8cb91ad1cc40_add_code_to_device.py
@@ -10,9 +10,7 @@ import sqlalchemy as sa
 from alembic import op
 from alembic import context
 
-from ereuse_devicehub.db import db
-from ereuse_devicehub.resources.device.utils import hashids
-from ereuse_devicehub.resources.device.models import Device
+from ereuse_devicehub.resources.device.utils import hashcode
 
 
 # revision identifiers, used by Alembic.
@@ -34,7 +32,7 @@ def upgrade_data():
     devices = con.execute(f"select id from {get_inv()}.device")
     for d in devices:
         id_dev = d.id
-        code = hashids(d.id)
+        code = hashcode(d.id)
         sql = f"update {get_inv()}.device set code='{code}' where id={id_dev};"
         con.execute(sql)
 
diff --git a/ereuse_devicehub/resources/device/models.py b/ereuse_devicehub/resources/device/models.py
index 8a0a0120..2db2b84c 100644
--- a/ereuse_devicehub/resources/device/models.py
+++ b/ereuse_devicehub/resources/device/models.py
@@ -28,7 +28,7 @@ from teal.marshmallow import ValidationError
 from teal.resource import url_for_resource
 
 from ereuse_devicehub.db import db
-from ereuse_devicehub.resources.device.utils import hashids
+from ereuse_devicehub.resources.device.utils import hashcode
 from ereuse_devicehub.resources.enums import BatteryTechnology, CameraFacing, ComputerChassis, \
     DataStorageInterface, DisplayTech, PrinterTechnology, RamFormat, RamInterface, Severity, TransferState
 from ereuse_devicehub.resources.models import STR_SM_SIZE, Thing, listener_reset_field_updated_in_actual_time
@@ -39,7 +39,7 @@ def create_code(context):
     _id = Device.query.order_by(Device.id.desc()).first() or 1
     if not _id == 1:
         _id = _id.id + 1
-    return hashids(_id)
+    return hashcode.encode(_id)
 
 
 class Device(Thing):
diff --git a/ereuse_devicehub/resources/utils.py b/ereuse_devicehub/resources/utils.py
new file mode 100644
index 00000000..3d02d610
--- /dev/null
+++ b/ereuse_devicehub/resources/utils.py
@@ -0,0 +1,6 @@
+from hashids import Hashids
+from decouple import config
+
+ALPHABET = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+SECRET = config('TAG_HASH', '')
+hashcode = Hashids(SECRET, min_length=5, alphabet=ALPHABET)