diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9eff79c84..500f1ee46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ All notable changes to this project will be documented in this file.
 ## [4.3.1]
 
 * Fix memory leak when filling nested fields using dot notation by @GromNaN in [#2962](https://github.com/mongodb/laravel-mongodb/pull/2962)
+* Fix PHP error when accessing the connection after disconnect by @SanderMuller in [#2967](https://github.com/mongodb/laravel-mongodb/pull/2967)
 
 ## [4.3.0] - 2024-04-26
 
diff --git a/src/Connection.php b/src/Connection.php
index 0c5015489..ec337d524 100644
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -208,7 +208,7 @@ public function ping(): void
     /** @inheritdoc */
     public function disconnect()
     {
-        unset($this->connection);
+        $this->connection = null;
     }
 
     /**
diff --git a/tests/ConnectionTest.php b/tests/ConnectionTest.php
index 262c4cafc..60ee9ee3f 100644
--- a/tests/ConnectionTest.php
+++ b/tests/ConnectionTest.php
@@ -38,6 +38,22 @@ public function testReconnect()
         $this->assertNotEquals(spl_object_hash($c1), spl_object_hash($c2));
     }
 
+    public function testDisconnectAndCreateNewConnection()
+    {
+        $connection = DB::connection('mongodb');
+        $this->assertInstanceOf(Connection::class, $connection);
+        $client = $connection->getMongoClient();
+        $this->assertInstanceOf(Client::class, $client);
+        $connection->disconnect();
+        $client = $connection->getMongoClient();
+        $this->assertNull($client);
+        DB::purge('mongodb');
+        $connection = DB::connection('mongodb');
+        $this->assertInstanceOf(Connection::class, $connection);
+        $client = $connection->getMongoClient();
+        $this->assertInstanceOf(Client::class, $client);
+    }
+
     public function testDb()
     {
         $connection = DB::connection('mongodb');