diff --git a/as-talange-core/src/main/resources/db/migration/V44__add_flocage_export_fields_to_dotation.sql b/as-talange-core/src/main/resources/db/migration/V44__add_flocage_export_fields_to_dotation.sql
index 9e422af..d5ad5a8 100644
--- a/as-talange-core/src/main/resources/db/migration/V44__add_flocage_export_fields_to_dotation.sql
+++ b/as-talange-core/src/main/resources/db/migration/V44__add_flocage_export_fields_to_dotation.sql
@@ -1,4 +1,2 @@
-ALTER TABLE dotation ADD COLUMN flocage_initiales_exporte BOOLEAN NOT NULL DEFAULT FALSE;
-ALTER TABLE dotation ADD COLUMN date_flocage_initiales TIMESTAMP NULL;
-ALTER TABLE dotation ADD COLUMN flocage_prenom_numero_exporte BOOLEAN NOT NULL DEFAULT FALSE;
-ALTER TABLE dotation ADD COLUMN date_flocage_prenom_numero TIMESTAMP NULL;
+ALTER TABLE dotation ADD COLUMN flocage_exporte BOOLEAN NOT NULL DEFAULT FALSE;
+ALTER TABLE dotation ADD COLUMN date_flocage TIMESTAMP NULL;
diff --git a/as-talange-core/src/main/resources/db/migration/V45__update_flocage_export_fields.sql b/as-talange-core/src/main/resources/db/migration/V45__update_flocage_export_fields.sql
new file mode 100644
index 0000000..bb78757
--- /dev/null
+++ b/as-talange-core/src/main/resources/db/migration/V45__update_flocage_export_fields.sql
@@ -0,0 +1,7 @@
+ALTER TABLE dotation DROP COLUMN IF EXISTS flocage_exporte;
+ALTER TABLE dotation DROP COLUMN IF EXISTS date_flocage;
+
+ALTER TABLE dotation ADD COLUMN IF NOT EXISTS flocage_initiales_exporte BOOLEAN NOT NULL DEFAULT FALSE;
+ALTER TABLE dotation ADD COLUMN IF NOT EXISTS date_flocage_initiales TIMESTAMP NULL;
+ALTER TABLE dotation ADD COLUMN IF NOT EXISTS flocage_prenom_numero_exporte BOOLEAN NOT NULL DEFAULT FALSE;
+ALTER TABLE dotation ADD COLUMN IF NOT EXISTS date_flocage_prenom_numero TIMESTAMP NULL;