diff --git a/html/admin/sql/patch/ac-upgrade4.sql b/html/admin/sql/patch/ac-upgrade4.sql
new file mode 100644
index 000000000..deb335047
--- /dev/null
+++ b/html/admin/sql/patch/ac-upgrade4.sql
@@ -0,0 +1,2 @@
+delete from jnt_use_dos where dos_id not in  (select dos_id from ac_dossier);
+update version set val=4;
\ No newline at end of file