diff --git a/relationship/composite-foreign-key.py b/relationship/composite-foreign-key.py
index f86301c786599fe96b982e5fb7ceeb014f4bc95b..33c0daf04b060756b04261da2b917216050f1e88 100644
--- a/relationship/composite-foreign-key.py
+++ b/relationship/composite-foreign-key.py
@@ -44,7 +44,7 @@ class Project(Base):
 
     name = Column(Text)
     projectid = Column(Text, primary_key=True)
-    orgid = Column(Text, ForeignKey("org.orgid"))
+    orgid = Column(Text, ForeignKey("org.orgid"), primary_key=True)
 
     org = relationship("Org", back_populates="projects")
 
@@ -86,7 +86,7 @@ class Stream(Base):
     def __repr__(self):
         return (
             f"<Stream (name={self.name}, uuid={self.uuid}, "
-            f"projectid={self.projectid})>"
+            f"orgid={self.orgid}, projectid={self.projectid})>"
         )
 
 
@@ -99,19 +99,35 @@ if __name__ == "__main__":
     # cf ../basic-session.1.4.py
     with Session(engine) as session:
         o1 = Org(name="Test des clés composites")
+        o2 = Org(name="This ist ein beispiel")
 
         p1 = Project(name="Die straße")
         p1.org = o1
 
+        p2 = Project(name="Die straße")
+        p2.org = o2
+
         s1 = Stream()
         s1.name = "Il faut maintenant relier le flux au project"
         s1.project = p1
 
+        s2 = Stream()
+        s2.name = "Je manque d'inspiration"
+        s2.project = p2
+
         with session.begin():
             session.add(o1)
+            session.add(o2)
+
             session.add(p1)
+            session.add(p2)
+
             session.add(s1)
+            session.add(s2)
 
         print(o1)
+        print(o2)
         print(p1)
+        print(p2)
         print(s1)
+        print(s2)