diff --git a/src/BusProNet/DataProcessor/PersonalDataSynchronizer.php b/src/BusProNet/DataProcessor/PersonalDataSynchronizer.php
index f7b00ba..013ac26 100644
--- a/src/BusProNet/DataProcessor/PersonalDataSynchronizer.php
+++ b/src/BusProNet/DataProcessor/PersonalDataSynchronizer.php
@@ -21,7 +21,7 @@ class PersonalDataSynchronizer
     /**
      * Updates participant personal data from form input.
      *
-     * Processes all active participants (status 'F' or 'A'). Skips canceled participants (status 'S').
+     * Processes all participants regardless of status, including canceled participants (status 'S').
      * Updates all personal data fields and communication information.
      *
      * Also fills missing mandatory fields on the applicant object for company bookings
@@ -41,13 +41,6 @@ class PersonalDataSynchronizer
         $this->fillMissingApplicantFields($bookingData);
 
         foreach ($participants as $participant) {
-            // For canceled participants, only ensure mandatory fields have defaults
-            // Skip other field updates as their data cannot be edited
-            if ('S' === $participant->status) {
-                $this->fillMissingParticipantFields($bookingData->participants[$participant->index]);
-                continue;
-            }
-
             $bookingData->participants[$participant->index]->firstName = $participant->firstName;
             $bookingData->participants[$participant->index]->name = $participant->lastName;
             $bookingData->participants[$participant->index]->dateOfBirth = $participant->dateOfBirth;
diff --git a/tests/BusProNet/DataProcessor/BookingDataProcessorTest.php b/tests/BusProNet/DataProcessor/BookingDataProcessorTest.php
index e882561..3af9f25 100644
--- a/tests/BusProNet/DataProcessor/BookingDataProcessorTest.php
+++ b/tests/BusProNet/DataProcessor/BookingDataProcessorTest.php
@@ -164,15 +164,15 @@ class BookingDataProcessorTest extends TestCase
         $this->assertEquals('+49123456789', $participant->communication->mobile);
     }
 
-    public function testInactiveParticipantsPersonalDataNotUpdated(): void
+    public function testCanceledParticipantsPersonalDataIsUpdated(): void
     {
         $formData = $this->createFormDataWithInactiveParticipant();
 
         $this->processor->createUpdateRequestPayload($formData);
 
         $participant = $formData->booking->participants[0];
-        $this->assertEquals('Original', $participant->firstName);
-        $this->assertEquals('Name', $participant->name);
+        $this->assertEquals('Updated', $participant->firstName);
+        $this->assertEquals('Participant', $participant->name);
     }
 
     public function testApplicantDataSyncWithFirstParticipant(): void