diff --git a/data/migrations/versions/3f4fe1194671_backfill_the_namespace_user_fields.py b/data/migrations/versions/3f4fe1194671_backfill_the_namespace_user_fields.py
index 7c3b7924b..5156e5b01 100644
--- a/data/migrations/versions/3f4fe1194671_backfill_the_namespace_user_fields.py
+++ b/data/migrations/versions/3f4fe1194671_backfill_the_namespace_user_fields.py
@@ -16,7 +16,7 @@ import sqlalchemy as sa
 
 def upgrade(tables):
     conn = op.get_bind()
-    conn.execute('update repository set namespace_user_id = (select id from user where user.username == repository.namespace) where namespace_user_id is NULL')
+    conn.execute('update repository set namespace_user_id = (select id from user where user.username = repository.namespace) where namespace_user_id is NULL')
 
     op.alter_column('repository', 'namespace_user_id', nullable=False)
     op.create_index('repository_namespace_user_id_name', 'repository', ['namespace_user_id', 'name'], unique=True)