diff --git a/Elwig/Resources/Sql/17-18.sql b/Elwig/Resources/Sql/17-18.sql
index 5e0fbfa..8bf793a 100644
--- a/Elwig/Resources/Sql/17-18.sql
+++ b/Elwig/Resources/Sql/17-18.sql
@@ -85,7 +85,7 @@ DELETE FROM wine_cultivation WHERE cultid = 'N';
 UPDATE wine_cultivation SET cultid = 'B', name = 'Bio', description = 'AT-BIO-302' WHERE cultid = 'BIO';
 UPDATE wine_cultivation SET description = 'Kontrollierte Integrierte Produktion' WHERE cultid = 'KIP';
 
-UPDATE area_commitment SET cultid = 'B', vtrgid = SUBSTR(vtrgid, 0, 2) WHERE vtrgid LIKE '__B';
+UPDATE area_commitment SET cultid = 'B', vtrgid = SUBSTR(vtrgid, 1, 2) WHERE vtrgid LIKE '__B';
 UPDATE area_commitment SET cultid = 'B' WHERE vtrgid LIKE '__HU';
 DELETE FROM area_commitment_type WHERE attrid = 'B';
 UPDATE delivery_part SET cultid = 'B', attrid = NULL WHERE attrid = 'B';