diff --git a/src/Bundle/ChillAsideActivityBundle/src/Entity/AsideActivity.php b/src/Bundle/ChillAsideActivityBundle/src/Entity/AsideActivity.php
index 494bd5b0d..0082deaf9 100644
--- a/src/Bundle/ChillAsideActivityBundle/src/Entity/AsideActivity.php
+++ b/src/Bundle/ChillAsideActivityBundle/src/Entity/AsideActivity.php
@@ -64,7 +64,7 @@ class AsideActivity implements TrackCreationInterface, TrackUpdateInterface
 
     #[Assert\GreaterThanOrEqual(0)]
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::INTEGER, nullable: true)]
-    private ?int $concernedPersonsCount = null;
+    private ?int $concernedPersonsCount = 0;
 
     public function getAgent(): ?User
     {
diff --git a/src/Bundle/ChillAsideActivityBundle/src/migrations/Version20251006113048.php b/src/Bundle/ChillAsideActivityBundle/src/migrations/Version20251006113048.php
index 1c1b35323..8ea1dbf4c 100644
--- a/src/Bundle/ChillAsideActivityBundle/src/migrations/Version20251006113048.php
+++ b/src/Bundle/ChillAsideActivityBundle/src/migrations/Version20251006113048.php
@@ -23,7 +23,7 @@ final class Version20251006113048 extends AbstractMigration
 
     public function up(Schema $schema): void
     {
-        $this->addSql('ALTER TABLE chill_asideactivity.asideactivity ADD concernedPersonsCount INT DEFAULT NULL');
+        $this->addSql('ALTER TABLE chill_asideactivity.asideactivity ADD concernedPersonsCount INT DEFAULT 0');
     }
 
     public function down(Schema $schema): void