diff --git a/projet/hyperdrive.sql b/projet/hyperdrive.sql
index 4fce94e464146bd314fbc67909ab5ba536f6f97b..27524c1b0c26d9ecbaf7e464915a2ccb3a666ddf 100644
--- a/projet/hyperdrive.sql
+++ b/projet/hyperdrive.sql
@@ -10,8 +10,10 @@ CREATE TABLE IF NOT EXISTS User (
 CREATE TABLE IF NOT EXISTS Paths (
     paths varchar(50) NOT NULL,
     pseudo varchar(60) NOT NULL,
+    parent varchar(50),
     PRIMARY KEY (paths),
-    FOREIGN KEY (pseudo) REFERENCES User(pseudo)
+    FOREIGN KEY (pseudo) REFERENCES User(pseudo),
+    FOREIGN KEY (parent) REFERENCES Paths(paths)
 );
 
 CREATE TABLE IF NOT EXISTS Files (