diff --git a/database/migrations/2016_10_23_201624_add_foreign_allocations.php b/database/migrations/2016_10_23_201624_add_foreign_allocations.php
index b401f8fa2..2d829060a 100644
--- a/database/migrations/2016_10_23_201624_add_foreign_allocations.php
+++ b/database/migrations/2016_10_23_201624_add_foreign_allocations.php
@@ -12,7 +12,7 @@ return new class extends Migration
     public function up(): void
     {
         Schema::table('allocations', function (Blueprint $table) {
-            $table->unsignedInteger('assigned_to')->change();
+            $table->unsignedInteger('assigned_to')->nullable()->change();
             $table->unsignedInteger('node')->change();
         });