diff --git a/migrations/versions/70547c924023_.py b/migrations/versions/70547c924023_.py
index be707774cfedcfa494e0679adc4ee90edece3ab1..b10ed219d528c80bc385e95c558d2d1449cf6cae 100644
--- a/migrations/versions/70547c924023_.py
+++ b/migrations/versions/70547c924023_.py
@@ -18,8 +18,10 @@ depends_on = None
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('defaultmetas', sa.Column('prior', sa.Boolean(), nullable=False))
+    op.add_column('defaultmetas', sa.Column('prior', sa.Boolean(), nullable=True))
     op.add_column('defaultmetas', sa.Column('value', sa.String(), nullable=True))
+    op.execute("UPDATE defaultmetas SET prior=FALSE")
+    op.alter_column("defaultmetas", "prior", nullable=False)
     # ### end Alembic commands ###