diff --git a/app/models.py b/app/models.py
index 6725fb66..5325be24 100644
--- a/app/models.py
+++ b/app/models.py
@@ -850,6 +850,9 @@ class AliasUsedOn(db.Model, ModelMixin):
     )
 
     alias_id = db.Column(db.ForeignKey(Alias.id, ondelete="cascade"), nullable=False)
+    user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=True)
+
+    alias = db.relationship(Alias)
 
     hostname = db.Column(db.String(1024), nullable=False)
 
diff --git a/migrations/versions/2020_032012_4e4a759ac4b5_.py b/migrations/versions/2020_032012_4e4a759ac4b5_.py
new file mode 100644
index 00000000..c3540641
--- /dev/null
+++ b/migrations/versions/2020_032012_4e4a759ac4b5_.py
@@ -0,0 +1,31 @@
+"""empty message
+
+Revision ID: 4e4a759ac4b5
+Revises: dbd80d290f04
+Create Date: 2020-03-20 12:12:45.699045
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '4e4a759ac4b5'
+down_revision = 'dbd80d290f04'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('alias_used_on', sa.Column('user_id', sa.Integer(), nullable=True))
+    op.create_foreign_key(None, 'alias_used_on', 'users', ['user_id'], ['id'], ondelete='cascade')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'alias_used_on', type_='foreignkey')
+    op.drop_column('alias_used_on', 'user_id')
+    # ### end Alembic commands ###