diff --git a/src/main/kotlin/fr/ziedelth/entities/Platformeable.kt b/src/main/kotlin/fr/ziedelth/entities/Platformeable.kt
index c3e0730..5236290 100644
--- a/src/main/kotlin/fr/ziedelth/entities/Platformeable.kt
+++ b/src/main/kotlin/fr/ziedelth/entities/Platformeable.kt
@@ -2,6 +2,7 @@ package fr.ziedelth.entities
 
 import jakarta.persistence.*
 
+@MappedSuperclass
 open class Platformeable(
     @ManyToOne(fetch = FetchType.EAGER, cascade = [CascadeType.ALL])
     @JoinColumn(