diff --git a/core/modules/dblog/dblog.install b/core/modules/dblog/dblog.install
index b3164051b8..e646283ff6 100644
--- a/core/modules/dblog/dblog.install
+++ b/core/modules/dblog/dblog.install
@@ -15,6 +15,7 @@ function dblog_schema() {
       'wid' => [
         'type' => 'serial',
         'not null' => TRUE,
+        'size' => 'big',
         'description' => 'Primary Key: Unique watchdog event ID.',
       ],
       'uid' => [
diff --git a/core/modules/dblog/tests/src/Kernel/DbLogTest.php b/core/modules/dblog/tests/src/Kernel/DbLogTest.php
index 7900d624bb..47ac1870b1 100644
--- a/core/modules/dblog/tests/src/Kernel/DbLogTest.php
+++ b/core/modules/dblog/tests/src/Kernel/DbLogTest.php
@@ -3,7 +3,10 @@
 namespace Drupal\Tests\dblog\Kernel;
 
 use Drupal\Component\Render\FormattableMarkup;
+use Drupal\Core\Database\Connection;
 use Drupal\Core\Database\Database;
+use Drupal\Core\Database\Query\Insert;
+use Drupal\dblog\Logger\DbLog;
 use Drupal\KernelTests\KernelTestBase;
 use Drupal\Tests\dblog\Functional\FakeLogEntries;
 
@@ -56,6 +59,50 @@ public function testDbLogCron() {
   }
 
   /**
+   * Tests that the log entry ID can be a big integer.
+   */
+  public function testLogEntryIdIntegerOverflow() {
+    $insert = Database::getConnection()->insert('watchdog');
+
+    $connection = $this->prophesize(Connection::class);
+    $connection->getTarget()->willReturn(DbLog::DEDICATED_DBLOG_CONNECTION_TARGET);
+    $connection->insert('watchdog')->willReturn(new class ($insert) {
+
+      /**
+       * The decorated query object.
+       *
+       * @var \Drupal\Core\Database\Query\Insert
+       */
+      private $decorated;
+
+      /**
+       * Constructor for this anonymous class.
+       *
+       * @param \Drupal\Core\Database\Query\Insert $decorated
+       *   The decorated query object.
+       */
+      public function __construct(Insert $decorated) {
+        $this->decorated = $decorated;
+      }
+
+      /**
+       * Overrides \Drupal\Core\Database\Query\Insert::fields().
+       *
+       * Purposefully sets the 'wid' column of the query to a value which will
+       * overflow the normal integer limit.
+       */
+      public function fields(array $fields, array $values = []) {
+        $fields['wid'] = strval(PHP_INT_MAX) . '0';
+        return $this->decorated->fields($fields, $values);
+      }
+
+    });
+    $this->container->set('database', $connection->reveal());
+    $this->generateLogEntries(1);
+    $this->assertTrue(TRUE);
+  }
+
+    /**
    * Runs cron and returns number of new log entries.
    *
    * @return int