diff --git a/alembic/versions/f7e8d9c0b1a2_segments_workspaces_shared_glossaries.py b/alembic/versions/f7e8d9c0b1a2_segments_workspaces_shared_glossaries.py
index fee30d0..301bd44 100644
--- a/alembic/versions/f7e8d9c0b1a2_segments_workspaces_shared_glossaries.py
+++ b/alembic/versions/f7e8d9c0b1a2_segments_workspaces_shared_glossaries.py
@@ -39,7 +39,7 @@ def upgrade() -> None:
         sa.Column("translated_text", sa.Text(), nullable=False, server_default=""),
         sa.Column("status", sa.String(20), nullable=False, server_default="pending"),
         sa.Column("reviewed_text", sa.Text(), nullable=True),
-        sa.Column("is_heading", sa.Boolean(), nullable=False, server_default=sa.text("0")),
+        sa.Column("is_heading", sa.Boolean(), nullable=False, server_default=sa.false()),
         sa.Column("created_at", sa.DateTime(), nullable=True),
         sa.Column("updated_at", sa.DateTime(), nullable=True),
     )