diff --git a/classes/migration/upgrade/v3_4_0/I9813_QuickSubmitSubmissionProgressType.php b/classes/migration/upgrade/v3_4_0/I9813_QuickSubmitSubmissionProgressType.php
index 5cbdabaf971..71fe0bd908d 100644
--- a/classes/migration/upgrade/v3_4_0/I9813_QuickSubmitSubmissionProgressType.php
+++ b/classes/migration/upgrade/v3_4_0/I9813_QuickSubmitSubmissionProgressType.php
@@ -36,7 +36,7 @@ public function up(): void
 
         foreach ($this->getStepMap() as $oldValue => $newValue) {
             DB::table('submissions')
-                ->where('submission_progress', $oldValue)
+                ->where('submission_progress', (string) $oldValue)
                 ->update([
                     'submission_progress' => $newValue,
                 ]);