diff --git a/skills/plan/skeleton-gen/templates/scripts-seed-demo-data-template.mjs b/skills/plan/skeleton-gen/templates/scripts-seed-demo-data-template.mjs
index 8d637c9..21ef031 100644
--- a/skills/plan/skeleton-gen/templates/scripts-seed-demo-data-template.mjs
+++ b/skills/plan/skeleton-gen/templates/scripts-seed-demo-data-template.mjs
@@ -210,7 +210,7 @@ const createLedger = mysqlApply(
   'CREATE TABLE IF NOT EXISTS _demo_seed_history (' +
     '  file VARCHAR(255) NOT NULL PRIMARY KEY,' +
     '  applied_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP' +
-    ') ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;',
+    ') ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;',
 )
 fatalMysql(createLedger, 'create-ledger')