diff --git a/li.strolch.persistence.postgresql/src/main/resources/strolch_db_schema_0.5.0_migration.sql b/li.strolch.persistence.postgresql/src/main/resources/strolch_db_schema_0.5.0_migration.sql
index 0020f5c6b..cf8265089 100644
--- a/li.strolch.persistence.postgresql/src/main/resources/strolch_db_schema_0.5.0_migration.sql
+++ b/li.strolch.persistence.postgresql/src/main/resources/strolch_db_schema_0.5.0_migration.sql
@@ -20,19 +20,19 @@ ALTER TABLE activities ADD COLUMN latest boolean;
 
 -- set initial values for new columns
 UPDATE resources SET version = 0 where version IS NULL;
-UPDATE resources SET created_by = 'MIGRATION' where version IS NULL;
-UPDATE resources SET created_at = CURRENT_TIMESTAMP where version IS NULL;
-UPDATE resources SET deleted = false where version IS NULL;
+UPDATE resources SET created_by = 'MIGRATION' where created_by IS NULL;
+UPDATE resources SET created_at = CURRENT_TIMESTAMP where created_at IS NULL;
+UPDATE resources SET deleted = false where deleted IS NULL;
 
 UPDATE orders SET version = 0 where version IS NULL;
-UPDATE orders SET created_by = 'MIGRATION' where version IS NULL;
-UPDATE orders SET created_at = CURRENT_TIMESTAMP where version IS NULL;
-UPDATE orders SET deleted = false where version IS NULL;
+UPDATE orders SET created_by = 'MIGRATION' where created_by IS NULL;
+UPDATE orders SET created_at = CURRENT_TIMESTAMP where created_at IS NULL;
+UPDATE orders SET deleted = false where deleted IS NULL;
 
 UPDATE activities SET version = 0 where version IS NULL;
-UPDATE activities SET created_by = 'MIGRATION' where version IS NULL;
-UPDATE activities SET created_at = CURRENT_TIMESTAMP where version IS NULL;
-UPDATE activities SET deleted = false where version IS NULL;
+UPDATE activities SET created_by = 'MIGRATION' where created_by IS NULL;
+UPDATE activities SET created_at = CURRENT_TIMESTAMP where created_at IS NULL;
+UPDATE activities SET deleted = false where deleted IS NULL;
 
 -- make columns not null
 ALTER TABLE resources ALTER COLUMN version SET NOT NULL;