diff --git a/database/migrations/2018_08_08_100000_create_telescope_entries_table.php b/database/migrations/2018_08_08_100000_create_telescope_entries_table.php
index 96b89699b..700a83f09 100644
--- a/database/migrations/2018_08_08_100000_create_telescope_entries_table.php
+++ b/database/migrations/2018_08_08_100000_create_telescope_entries_table.php
@@ -9,7 +9,7 @@
     /**
      * Get the migration connection name.
      */
-    public function getConnection(): string|null
+    public function getConnection(): ?string
     {
         return config('telescope.storage.database.connection');
     }
@@ -46,9 +46,9 @@ public function up(): void
             $table->index('tag');
 
             $table->foreign('entry_uuid')
-                  ->references('uuid')
-                  ->on('telescope_entries')
-                  ->onDelete('cascade');
+                ->references('uuid')
+                ->on('telescope_entries')
+                ->onDelete('cascade');
         });
 
         $schema->create('telescope_monitoring', function (Blueprint $table) {