diff --git a/PostgreSQL/src/create.sql b/PostgreSQL/src/create.sql
index 4fd6891..31328ee 100644
--- a/PostgreSQL/src/create.sql
+++ b/PostgreSQL/src/create.sql
@@ -141,8 +141,8 @@ CREATE TABLE modeles
     id_modele                   INTEGER                      NOT NULL,
     nom_modele                  VARCHAR(255)                         ,
     url_notice_modele           VARCHAR(2048)                        ,
-    id_membre                   INTEGER                      NOT NULL,
-    id_modele_etendu            INTEGER                      NOT NULL,
+    id_membre                   INTEGER                      NULL,
+    id_modele_etendu            INTEGER                      NULL,
     CONSTRAINT pk__modeles PRIMARY KEY (id_modele)
 );