diff --git a/.forgejo/workflows/baseline.yml b/.forgejo/workflows/baseline.yml
index 14643f8..7d36ac4 100644
--- a/.forgejo/workflows/baseline.yml
+++ b/.forgejo/workflows/baseline.yml
@@ -208,6 +208,15 @@ jobs:
             mkdir -p /tmp/held
             mv alembic/versions/*.py /tmp/held/
             cp /tmp/candidate/*.py alembic/versions/
+            # Autogenerate EMITS pgvector.sqlalchemy.vector.VECTOR(...) without
+            # importing it, so the file it writes cannot run:
+            #   NameError: name 'pgvector' is not defined
+            # Observed on run 4988, which is the proof rather than the theory.
+            # This is a defect in the GENERATOR, not in the models, so it is
+            # repaired here rather than counted as a schema difference — the
+            # comparison is about whether the models describe the schema.
+            sed -i '0,/^import sqlalchemy as sa$/s//import sqlalchemy as sa\nimport pgvector.sqlalchemy.vector/' alembic/versions/*.py
+            grep -n 'import pgvector' alembic/versions/*.py
             ls alembic/versions/*.py
             DB_NAME=fc_base alembic upgrade head
             rm -f alembic/versions/*.py