diff --git a/migrations/versions/ddd5fc9ea75b_.py b/migrations/versions/ddd5fc9ea75b_.py
index ad5a42d8..c6c90372 100644
--- a/migrations/versions/ddd5fc9ea75b_.py
+++ b/migrations/versions/ddd5fc9ea75b_.py
@@ -19,7 +19,7 @@ depends_on = None
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
     op.add_column('file', sa.Column('irb_doc_code', sa.String(), nullable=True))
-    op.add_column('file', sa.Column('is_reference', sa.Boolean(), nullable=False))
+    op.add_column('file', sa.Column('is_reference', sa.Boolean(), nullable=False, default=False))
     op.alter_column('file', 'primary',
                existing_type=sa.BOOLEAN(),
                nullable=False)