diff --git a/ereuse_devicehub/migrations/versions/7ecb8ff7abad_documents.py b/ereuse_devicehub/migrations/versions/7ecb8ff7abad_documents.py
index 087f272c..83daaf61 100644
--- a/ereuse_devicehub/migrations/versions/7ecb8ff7abad_documents.py
+++ b/ereuse_devicehub/migrations/versions/7ecb8ff7abad_documents.py
@@ -39,7 +39,7 @@ def upgrade():
                               comment='The last time Document recorded a change for \n    this thing.\n    '),
                     sa.Column('created', sa.TIMESTAMP(timezone=True), server_default=sa.text('CURRENT_TIMESTAMP'),
                               nullable=False, comment='When Document created this.'),
-                    sa.Column('type', sa.Unicode(), nullable=False),
+                    sa.Column('document_type', sa.Unicode(), nullable=False),
                     sa.Column('date', sa.TIMESTAMP(timezone=True), nullable=True),
                     sa.Column('id_document', sa.Unicode(), nullable=True),
                     sa.Column('owner_id', postgresql.UUID(as_uuid=True), nullable=False),
@@ -54,7 +54,7 @@ def upgrade():
     op.create_index('generic_document_id', 'document', ['id'], unique=False, postgresql_using='hash', schema=f'{get_inv()}')
     op.create_index(op.f('ix_document_created'), 'document', ['created'], unique=False, schema=f'{get_inv()}')
     op.create_index(op.f('ix_document_updated'), 'document', ['updated'], unique=False, schema=f'{get_inv()}')
-    op.create_index('document_type_index', 'document', ['type'], unique=False, postgresql_using='hash', schema=f'{get_inv()}')
+    op.create_index('document_type_index', 'document', ['document_type'], unique=False, postgresql_using='hash', schema=f'{get_inv()}')
 
 
     # DataWipeDocument table
diff --git a/ereuse_devicehub/resources/action/views/documents.py b/ereuse_devicehub/resources/action/views/documents.py
index 3f3aaa84..e1f685b5 100644
--- a/ereuse_devicehub/resources/action/views/documents.py
+++ b/ereuse_devicehub/resources/action/views/documents.py
@@ -29,7 +29,6 @@ class ErasedView():
         schema = sh_document()
         [data.pop(x, None) for x in ['severity', 'devices', 'name', 'description']]
         doc_data = schema.load(data)
-        doc_data['type'] = 'DataWipe'
         self.document = DataWipeDocument(**doc_data)
         db.session.add(self.document)
         
diff --git a/ereuse_devicehub/resources/documents/models.py b/ereuse_devicehub/resources/documents/models.py
index ee2ac071..a2b98511 100644
--- a/ereuse_devicehub/resources/documents/models.py
+++ b/ereuse_devicehub/resources/documents/models.py
@@ -16,7 +16,7 @@ class Document(Thing):
     id.comment = """The identifier of the device for this database. Used only
     internally for software; users should not use this.
     """
-    type = Column(Unicode(STR_SM_SIZE), nullable=False)
+    document_type = Column(Unicode(STR_SM_SIZE), nullable=False)
     date = Column(db.DateTime, nullable=True)
     date.comment = """The date of document, some documents need to have one date
     """
diff --git a/ereuse_devicehub/resources/documents/schemas.py b/ereuse_devicehub/resources/documents/schemas.py
index c9df245f..6500777a 100644
--- a/ereuse_devicehub/resources/documents/schemas.py
+++ b/ereuse_devicehub/resources/documents/schemas.py
@@ -1,4 +1,5 @@
 from marshmallow.fields import DateTime, Integer, validate, Boolean
+from marshmallow import post_load
 from teal.marshmallow import SanitizedStr, URL
 from ereuse_devicehub.resources.schemas import Thing
 from ereuse_devicehub.resources.documents import models as m
@@ -7,7 +8,6 @@ from ereuse_devicehub.resources.documents import models as m
 class DataWipeDocument(Thing):
     __doc__ = m.DataWipeDocument.__doc__
     id = Integer(description=m.DataWipeDocument.id.comment, dump_only=True)
-    type = SanitizedStr(default='DataWipeDocument')
     url = URL(required= False, description=m.DataWipeDocument.url.comment)
     success = Boolean(required=False, default=False, description=m.DataWipeDocument.success.comment)
     software = SanitizedStr(description=m.DataWipeDocument.software.comment)
@@ -26,3 +26,7 @@ class DataWipeDocument(Thing):
                              default='',
                              description=m.DataWipeDocument.file_hash.comment,
                              validate=validate.Length(max=64))
+
+    @post_load
+    def get_trade_document(self, data):
+        data['document_type'] = 'DataWipeDocument'