diff --git a/ereuse_devicehub/resources/device/schemas.py b/ereuse_devicehub/resources/device/schemas.py
index eae6b0a8..093cec75 100644
--- a/ereuse_devicehub/resources/device/schemas.py
+++ b/ereuse_devicehub/resources/device/schemas.py
@@ -122,8 +122,7 @@ class Computer(Device):
                        dump_only=True,
                        collection_class=set,
                        description=m.Computer.privacy.__doc__)
-    deposit = Integer(dump_only=True,
-                       data_key='deposit',
+    deposit = Integer(validate=f.validate.Range(min=0, max=100),
                        description=m.Computer.deposit.__doc__)
     # author_id = NestedOn(s_user.User,only_query='author_id')
     owner_address = SanitizedStr(validate=f.validate.Length(max=42))
diff --git a/ereuse_devicehub/resources/lot/schemas.py b/ereuse_devicehub/resources/lot/schemas.py
index 861ef6a5..1cb10b24 100644
--- a/ereuse_devicehub/resources/lot/schemas.py
+++ b/ereuse_devicehub/resources/lot/schemas.py
@@ -18,8 +18,7 @@ class Lot(Thing):
     children = NestedOn('Lot', many=True, dump_only=True)
     parents = NestedOn('Lot', many=True, dump_only=True)
     url = URL(dump_only=True, description=m.Lot.url.__doc__)
-    deposit = f.Integer(dump_only=True,
-                       data_key='deposit',
+    deposit = f.Integer(validate=f.validate.Range(min=0, max=100),
                        description=m.Lot.deposit.__doc__)
     # author_id = NestedOn(s_user.User,only_query='author_id')
     owner_address = SanitizedStr(validate=f.validate.Length(max=42))