diff --git a/src/main/kotlin/fr/dcproject/entity/Article.kt b/src/main/kotlin/fr/dcproject/entity/Article.kt
index 37cee04..1e003cb 100644
--- a/src/main/kotlin/fr/dcproject/entity/Article.kt
+++ b/src/main/kotlin/fr/dcproject/entity/Article.kt
@@ -16,4 +16,8 @@ class Article(
     EntityVersioning<UUID, Int> by UuidEntityVersioning(),
     EntityCreatedAt by EntityCreatedAtImp(),
     EntityCreatedBy<Citizen> by EntityCreatedByImp(createdBy),
-    EntityDeletedAt by EntityDeletedAtImp()
\ No newline at end of file
+    EntityDeletedAt by EntityDeletedAtImp() {
+    init {
+        tags = tags.distinct()
+    }
+}
\ No newline at end of file