diff --git a/migrations.py b/migrations.py
index 41b82eb..d485aa7 100644
--- a/migrations.py
+++ b/migrations.py
@@ -302,3 +302,33 @@ async def m001_satmachine_v2_initial(db):
         );
         """
     )
+
+
+async def m002_rename_commission_split_wallet_id_to_target(db):
+    """One-off correction for installs whose `dca_commission_splits` table
+    pre-exists from an earlier partial v2 migration run (where the column
+    was named `wallet_id`). The collapsed m001 uses `CREATE TABLE IF NOT
+    EXISTS`, which is a no-op when the table already exists — so the
+    schema drift survives the documented uninstall + reinstall workflow
+    because LNbits' uninstall wipes the dbversions tracker but NOT the
+    satoshimachine.sqlite3 file on disk.
+
+    Idempotent: probes for the `wallet_id` column via a SELECT. If the
+    probe succeeds the column still exists and we RENAME it; otherwise
+    the rename is already done (or the table was fresh) and we no-op.
+
+    Fresh installs from m001 onward already have `target` directly — for
+    them this migration is a no-op.
+    """
+    try:
+        await db.fetchone(
+            "SELECT wallet_id FROM satoshimachine.dca_commission_splits LIMIT 1"
+        )
+    except Exception:
+        # wallet_id column doesn't exist; either m001 produced the correct
+        # schema on a fresh install or the rename already landed.
+        return
+    await db.execute(
+        "ALTER TABLE satoshimachine.dca_commission_splits "
+        "RENAME COLUMN wallet_id TO target"
+    )