diff --git a/mail_tracking/models/mail_message.py b/mail_tracking/models/mail_message.py
index ab711d5e3..686f2f9a9 100644
--- a/mail_tracking/models/mail_message.py
+++ b/mail_tracking/models/mail_message.py
@@ -20,6 +20,7 @@ class MailMessage(models.Model):
     mail_tracking_ids = fields.One2many(
         comodel_name="mail.tracking.email",
         inverse_name="mail_message_id",
+        auto_join=True,
         string="Mail Trackings",
     )
     mail_tracking_needs_action = fields.Boolean(
diff --git a/mail_tracking/models/mail_tracking_email.py b/mail_tracking/models/mail_tracking_email.py
index 78040ec4b..b95f09bfb 100644
--- a/mail_tracking/models/mail_tracking_email.py
+++ b/mail_tracking/models/mail_tracking_email.py
@@ -158,10 +158,16 @@ class MailTrackingEmail(models.Model):
         if not msg_linked:
             return []
         ids, msg_ids, mail_ids, partner_ids = zip(*msg_linked)
-        # Filter messages with their ACL rules
-        msg_ids = self.env["mail.message"]._search([("id", "in", msg_ids)])
-        mail_ids = self.env["mail.mail"]._search([("id", "in", mail_ids)])
-        partner_ids = self.env["res.partner"]._search([("id", "in", partner_ids)])
+        # Filter messages with their ACL rules avoiding False values fetched in the set
+        msg_ids = self.env["mail.message"]._search(
+            [("id", "in", [x for x in msg_ids if x])]
+        )
+        mail_ids = self.env["mail.mail"]._search(
+            [("id", "in", [x for x in mail_ids if x])]
+        )
+        partner_ids = self.env["res.partner"]._search(
+            [("id", "in", [x for x in partner_ids if x])]
+        )
         return [
             x[0]
             for x in msg_linked