diff --git a/src/Bundle/ChillPersonBundle/Entity/SocialWork/Evaluation.php b/src/Bundle/ChillPersonBundle/Entity/SocialWork/Evaluation.php
index aeb8d0a8d..57498e6cb 100644
--- a/src/Bundle/ChillPersonBundle/Entity/SocialWork/Evaluation.php
+++ b/src/Bundle/ChillPersonBundle/Entity/SocialWork/Evaluation.php
@@ -12,6 +12,8 @@ declare(strict_types=1);
 namespace Chill\PersonBundle\Entity\SocialWork;
 
 use DateInterval;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Serializer\Annotation as Serializer;
 
@@ -45,12 +47,13 @@ class Evaluation
     private ?DateInterval $notificationDelay = null;
 
     /**
-     * @ORM\ManyToOne(
+     * @ORM\ManyToMany(
      *     targetEntity=SocialAction::class,
      *     inversedBy="evaluations"
      * )
+     * @ORM\JoinTable(name="chill_person_social_work_evaluation_action")
      */
-    private ?SocialAction $socialAction = null;
+    private Collection $socialActions;
 
     /**
      * @ORM\Column(type="json")
@@ -59,6 +62,11 @@ class Evaluation
      */
     private array $title = [];
 
+    public function __construct()
+    {
+        $this->socialActions = new ArrayCollection();
+    }
+
     public function getDelay(): ?DateInterval
     {
         return $this->delay;
@@ -74,11 +82,6 @@ class Evaluation
         return $this->notificationDelay;
     }
 
-    public function getSocialAction(): ?SocialAction
-    {
-        return $this->socialAction;
-    }
-
     public function getTitle(): array
     {
         return $this->title;
@@ -91,16 +94,27 @@ class Evaluation
         return $this;
     }
 
-    public function setNotificationDelay(DateInterval $notificationDelay): self
+    public function addSocialAction(SocialAction $socialAction): self
     {
-        $this->notificationDelay = $notificationDelay;
+        if (!$this->socialActions->contains($socialAction)) {
+            $this->socialActions->add($socialAction);
+        }
 
         return $this;
     }
 
-    public function setSocialAction(?SocialAction $socialAction): self
+    public function removeSocialAction(SocialAction $socialAction): self
     {
-        $this->socialAction = $socialAction;
+        if ($this->socialActions->contains($socialAction)) {
+            $this->socialActions->remove($socialAction);
+        }
+
+        return $this;
+    }
+
+    public function setNotificationDelay(DateInterval $notificationDelay): self
+    {
+        $this->notificationDelay = $notificationDelay;
 
         return $this;
     }
diff --git a/src/Bundle/ChillPersonBundle/Entity/SocialWork/SocialAction.php b/src/Bundle/ChillPersonBundle/Entity/SocialWork/SocialAction.php
index 64e4e79d8..693a44eee 100644
--- a/src/Bundle/ChillPersonBundle/Entity/SocialWork/SocialAction.php
+++ b/src/Bundle/ChillPersonBundle/Entity/SocialWork/SocialAction.php
@@ -92,6 +92,7 @@ class SocialAction
         $this->children = new ArrayCollection();
         $this->goals = new ArrayCollection();
         $this->results = new ArrayCollection();
+        $this->evaluations = new ArrayCollection();
     }
 
     public function addChild(self $child): self
diff --git a/src/Bundle/ChillPersonBundle/migrations/Version20211213203147.php b/src/Bundle/ChillPersonBundle/migrations/Version20211213203147.php
new file mode 100644
index 000000000..863dd8c03
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/migrations/Version20211213203147.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Person;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * change model: an evaluation may be linked with multiple social actions
+ */
+final class Version20211213203147 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'an evaluation may be linked with multiple social actions';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE chill_person_social_work_evaluation_action (evaluation_id INT NOT NULL, socialaction_id INT NOT NULL, PRIMARY KEY(evaluation_id, socialaction_id))');
+        $this->addSql('CREATE INDEX IDX_DF34CCFB456C5646 ON chill_person_social_work_evaluation_action (evaluation_id)');
+        $this->addSql('CREATE INDEX IDX_DF34CCFB3DC32179 ON chill_person_social_work_evaluation_action (socialaction_id)');
+        $this->addSql('ALTER TABLE chill_person_social_work_evaluation_action ADD CONSTRAINT FK_DF34CCFB456C5646 FOREIGN KEY (evaluation_id) REFERENCES chill_person_social_work_evaluation (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE chill_person_social_work_evaluation_action ADD CONSTRAINT FK_DF34CCFB3DC32179 FOREIGN KEY (socialaction_id) REFERENCES chill_person_social_action (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE');
+
+        $this->addSql('INSERT INTO chill_person_social_work_evaluation_action (evaluation_id, socialaction_id) '.
+            'SELECT id, socialaction_ID FROM chill_person_social_work_evaluation');
+
+        $this->addSql('ALTER TABLE chill_person_social_work_evaluation DROP CONSTRAINT fk_2e23f3febf32a3da');
+        $this->addSql('DROP INDEX idx_2e23f3febf32a3da');
+        $this->addSql('ALTER TABLE chill_person_social_work_evaluation DROP socialaction_id');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('DROP TABLE chill_person_social_work_evaluation_action');
+        $this->addSql('ALTER TABLE chill_person_social_work_evaluation ADD socialaction_id INT DEFAULT NULL');
+        $this->addSql('ALTER TABLE chill_person_social_work_evaluation ADD CONSTRAINT fk_2e23f3febf32a3da FOREIGN KEY (socialaction_id) REFERENCES chill_person_social_action (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('CREATE INDEX idx_2e23f3febf32a3da ON chill_person_social_work_evaluation (socialaction_id)');
+    }
+}