diff --git a/registry/migrations/20231218192146_add-v1-control-file.sql b/registry/migrations/20231218192146_add-v1-control-file.sql
index ce9694ae..87f71d79 100644
--- a/registry/migrations/20231218192146_add-v1-control-file.sql
+++ b/registry/migrations/20231218192146_add-v1-control-file.sql
@@ -4,5 +4,9 @@ CREATE TABLE IF NOT EXISTS v1.control_file
     id SERIAL PRIMARY KEY,
     extension_version_id int REFERENCES v1.extension_versions(id),
     absent boolean DEFAULT false,
-    content text
+    content text DEFAULT ''
 );
+
+-- For each record in v1.extension_versions, create a record in v1.control_file
+INSERT INTO v1.control_file (extension_version_id)
+SELECT id FROM v1.extension_versions;