diff --git a/sql/v01/10.create.sql b/sql/v01/10.create.sql
index 9c5562e..9cb4cc4 100644
--- a/sql/v01/10.create.sql
+++ b/sql/v01/10.create.sql
@@ -435,7 +435,7 @@ CREATE TABLE area_commitment (
 CREATE TABLE season (
     year       INTEGER NOT NULL CHECK (year >= 1000 AND year <= 9999),
     currency   TEXT    NOT NULL,
-    precision  INTEGER NOT NULL DEFAULT 2,
+    precision  INTEGER NOT NULL DEFAULT 4,
 
     start_date TEXT CHECK (start_date REGEXP '^[1-9][0-9]{3}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])$'),
     end_date   TEXT CHECK (end_date   REGEXP '^[1-9][0-9]{3}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])$'),
diff --git a/wgmaster/migrate.py b/wgmaster/migrate.py
index e08f980..3f3155f 100755
--- a/wgmaster/migrate.py
+++ b/wgmaster/migrate.py
@@ -1319,7 +1319,7 @@ def migrate_deliveries(in_dir: str, out_dir: str) -> None:
         elif WG == 'GWK':
             mod['id'] = {
                 1: 'KA',  2: 'LG',  3: 'MG',  4: 'SG',
-                5: 'VT',  6: 'MV',  7: 'UP',  8: 'VL',
+                5: 'VT',  6: 'MV',  7: 'LW',  8: 'VL',
                 9: 'DN', 10: 'SA', 11: 'DA', 12: 'EG',
             }[nr]
         else: