diff --git a/alembic/versions/008_rename_processing_status.py b/alembic/versions/008_rename_processing_status.py
index a685ffe..8c3cc13 100644
--- a/alembic/versions/008_rename_processing_status.py
+++ b/alembic/versions/008_rename_processing_status.py
@@ -18,7 +18,10 @@ depends_on = None
 
 
 def upgrade() -> None:
-    # 1. Convert column to text to break free of the old enum
+    # 1. Drop server default (it references the old enum type)
+    op.alter_column("source_videos", "processing_status", server_default=None)
+
+    # 2. Convert column to text to break free of the old enum
     op.alter_column(
         "source_videos", "processing_status",
         type_=sa.Text(),
@@ -26,23 +29,23 @@ def upgrade() -> None:
         postgresql_using="processing_status::text",
     )
 
-    # 2. Drop old enum type
+    # 3. Drop old enum type
     op.execute("DROP TYPE IF EXISTS processing_status")
 
-    # 3. Rename values in the text column
+    # 4. Rename values in the text column
     op.execute("UPDATE source_videos SET processing_status = 'not_started' WHERE processing_status = 'pending'")
     op.execute("UPDATE source_videos SET processing_status = 'queued' WHERE processing_status = 'transcribed'")
     op.execute("UPDATE source_videos SET processing_status = 'processing' WHERE processing_status = 'extracted'")
     op.execute("UPDATE source_videos SET processing_status = 'complete' WHERE processing_status = 'published'")
 
-    # 4. Create new enum type
+    # 5. Create new enum type
     processing_status = sa.Enum(
         "not_started", "queued", "processing", "error", "complete",
         name="processing_status",
     )
     processing_status.create(op.get_bind(), checkfirst=True)
 
-    # 5. Convert column back to enum
+    # 6. Convert column back to enum with new default
     op.alter_column(
         "source_videos", "processing_status",
         type_=processing_status,
@@ -53,6 +56,7 @@ def upgrade() -> None:
 
 
 def downgrade() -> None:
+    op.alter_column("source_videos", "processing_status", server_default=None)
     op.alter_column(
         "source_videos", "processing_status",
         type_=sa.Text(),