diff --git a/sql/upgrade.sql b/sql/upgrade.sql
index 88d5f9725..230310657 100644
--- a/sql/upgrade.sql
+++ b/sql/upgrade.sql
@@ -1,3 +1,17 @@
 alter table attr_def add ad_extra text ;
 
-insert into attr_def (ad_id,ad_text,ad_type,ad_size) values (33,'Date Fin','date',8);
\ No newline at end of file
+insert into attr_def (ad_id,ad_text,ad_type,ad_size) values (33,'Date Fin','date',8);
+
+ALTER TABLE fiche_detail DROP CONSTRAINT "$2";
+
+ALTER TABLE fiche_detail
+  ADD CONSTRAINT fiche_detail_attr_def_fk FOREIGN KEY (ad_id)
+      REFERENCES attr_def (ad_id) MATCH SIMPLE
+      ON UPDATE cascade ON DELETE cascade;
+      
+ALTER TABLE jnt_fic_attr DROP CONSTRAINT "$2";
+
+ALTER TABLE jnt_fic_attr
+  ADD CONSTRAINT jnt_fic_attr_attr_def_fk FOREIGN KEY (ad_id)
+      REFERENCES attr_def (ad_id) MATCH SIMPLE
+      ON UPDATE cascade ON DELETE cascade;