diff --git a/migration/19.04/1904.sql b/migration/19.04/1904.sql
index e049f4984f552936e5875d83910340f595dcae10..c0e10adb4b4b74f3b6b7971cc1ce1f077fd777ef 100644
--- a/migration/19.04/1904.sql
+++ b/migration/19.04/1904.sql
@@ -5,7 +5,7 @@
 --                                                                          --
 --                                                                          --
 -- *************************************************************************--
-UPDATE parameters SET param_value_string = '19.04.6' WHERE id = 'database_version';
+UPDATE parameters SET param_value_string = '19.04.17' WHERE id = 'database_version';
 
 DELETE FROM parameters WHERE id = 'QrCodePrefix';
 INSERT INTO parameters (id, description, param_value_int) VALUES ('QrCodePrefix', 'Si activé (1), ajoute "Maarch_" dans le contenu des QrCode générés. (Utilisable avec MaarchCapture >= 1.4)', 0);
@@ -23,30 +23,33 @@ ALTER TABLE users ADD COLUMN external_id jsonb DEFAULT '{}';
 /* Redirected Baskets */
 DO $$ BEGIN
   IF (SELECT count(TABLE_NAME)  FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'user_abs') = 1 THEN
-      DROP TABLE IF EXISTS redirected_baskets;
-      CREATE TABLE redirected_baskets
-      (
-      id serial NOT NULL,
-      actual_user_id INTEGER NOT NULL,
-      owner_user_id INTEGER NOT NULL,
-      basket_id character varying(255) NOT NULL,
-      group_id INTEGER NOT NULL,
-      CONSTRAINT redirected_baskets_pkey PRIMARY KEY (id),
-      CONSTRAINT redirected_baskets_unique_key UNIQUE (owner_user_id, basket_id, group_id)
-      )
-      WITH (OIDS=FALSE);
-
-      INSERT INTO redirected_baskets (owner_user_id, actual_user_id, basket_id, group_id) SELECT users.id, us.id, user_abs.basket_id, usergroups.id FROM usergroups, usergroup_content, user_abs, groupbasket, users, users us
-        where usergroup_content.group_id = usergroups.group_id
+    DROP TABLE IF EXISTS redirected_baskets;
+    CREATE TABLE redirected_baskets
+    (
+    id serial NOT NULL,
+    actual_user_id INTEGER NOT NULL,
+    owner_user_id INTEGER NOT NULL,
+    basket_id character varying(255) NOT NULL,
+    group_id INTEGER NOT NULL,
+    CONSTRAINT redirected_baskets_pkey PRIMARY KEY (id),
+    CONSTRAINT redirected_baskets_unique_key UNIQUE (owner_user_id, basket_id, group_id)
+    )
+    WITH (OIDS=FALSE);
+
+	  INSERT INTO redirected_baskets (owner_user_id, actual_user_id, basket_id, group_id)
+      SELECT users.id, us.id, user_abs.basket_id, usergroups.id FROM usergroups, usergroup_content, user_abs, groupbasket, users, users us
+      WHERE usergroup_content.group_id = usergroups.group_id 
         and usergroup_content.user_id = user_abs.basket_owner
         and users.user_id = user_abs.basket_owner
         and us.user_id = user_abs.new_user
         and groupbasket.group_id = usergroup_content.group_id
-        and groupbasket.basket_id = user_abs.basket_id;
+        and groupbasket.basket_id = user_abs.basket_id
+      ON CONFLICT DO NOTHING;
 
-      DROP TABLE IF EXISTS user_abs;
+    DROP TABLE IF EXISTS user_abs;
   END IF;
 END$$;
+
 UPDATE history SET table_name = 'redirected_baskets' WHERE table_name = 'user_abs';
 
 /* CONFIGURATIONS */