diff --git a/src/Jenssegers/Mongodb/Connection.php b/src/Jenssegers/Mongodb/Connection.php
index 9f217f8c8..2ec6ed7d8 100644
--- a/src/Jenssegers/Mongodb/Connection.php
+++ b/src/Jenssegers/Mongodb/Connection.php
@@ -127,7 +127,7 @@ public function getMongoClient()
      * @param  string  $dsn
      * @param  array   $config
      * @param  array   $options
-     * @return MongoDB
+     * @return \MongoDB\Client
      */
     protected function createConnection($dsn, array $config, array $options)
     {
@@ -165,27 +165,25 @@ public function disconnect()
      */
     protected function getDsn(array $config)
     {
-        // First we will create the basic DSN setup as well as the port if it is in
-        // in the configuration options. This will give us the basic DSN we will
-        // need to establish the MongoDB and return them back for use.
-        extract($config);
-
         // Check if the user passed a complete dsn to the configuration.
-        if (! empty($dsn)) {
-            return $dsn;
+        if (! empty($config['dsn'])) {
+            return $config['dsn'];
         }
 
         // Treat host option as array of hosts
-        $hosts = is_array($host) ? $host : [$host];
+        $hosts = is_array($config['host']) ? $config['host'] : [$config['host']];
 
         foreach ($hosts as &$host) {
             // Check if we need to add a port to the host
-            if (strpos($host, ':') === false and isset($port)) {
-                $host = "{$host}:{$port}";
+            if (strpos($host, ':') === false && ! empty($config['port'])) {
+                $host = $host . ':' . $config['port'];
             }
         }
 
-        return "mongodb://" . implode(',', $hosts) . ($database ? "/{$database}" : '');
+        // Check if we want to authenticate against a specific database.
+        $auth_database = isset($config['options']) && ! empty($config['options']['database']) ? $config['options']['database'] : null;
+
+        return 'mongodb://' . implode(',', $hosts) . ($auth_database ? '/' . $auth_database : '');
     }
 
     /**
diff --git a/src/Jenssegers/Mongodb/Eloquent/Model.php b/src/Jenssegers/Mongodb/Eloquent/Model.php
index 82d5156ca..ce4003dec 100644
--- a/src/Jenssegers/Mongodb/Eloquent/Model.php
+++ b/src/Jenssegers/Mongodb/Eloquent/Model.php
@@ -212,13 +212,17 @@ public function getTable()
      */
     public function getAttribute($key)
     {
-        // Check if the key is an array dot notation.
-        if ($key and str_contains($key, '.') and array_has($this->attributes, $key)) {
+        if (! $key) {
+            return;
+        }
+
+        // Dot notation support.
+        if (str_contains($key, '.') and array_has($this->attributes, $key)) {
             return $this->getAttributeValue($key);
         }
 
         // This checks for embedded relation support.
-        if (method_exists($this, $key) && ! method_exists(self::class, $key)) {
+        if (method_exists($this, $key) and ! method_exists(self::class, $key)) {
             return $this->getRelationValue($key);
         }
 
diff --git a/tests/ConnectionTest.php b/tests/ConnectionTest.php
index fb311c91f..772148e90 100644
--- a/tests/ConnectionTest.php
+++ b/tests/ConnectionTest.php
@@ -100,33 +100,27 @@ public function testAuth()
     {
         Config::set('database.connections.mongodb.username', 'foo');
         Config::set('database.connections.mongodb.password', 'bar');
-        $host = Config::get('database.connections.mongodb.host');
-        $port = Config::get('database.connections.mongodb.port', 27017);
-        $database = Config::get('database.connections.mongodb.database');
+        Config::set('database.connections.mongodb.options.database', 'custom');
 
-        // $this->setExpectedExceptionRegExp('MongoConnectionException', "/Failed to connect to: $host:$port: Authentication failed on database '$database' with username 'foo': auth fail/");
         $connection = DB::connection('mongodb');
+        $this->assertEquals('mongodb://127.0.0.1/custom', (string) $connection->getMongoClient());
     }
 
-    public function testCustomPort()
+    public function testCustomHostAndPort()
     {
-        $port = 27000;
-        Config::set('database.connections.mongodb.port', $port);
-        $host = Config::get('database.connections.mongodb.host');
-        $database = Config::get('database.connections.mongodb.database');
+        Config::set('database.connections.mongodb.host', 'db1');
+        Config::set('database.connections.mongodb.port', 27000);
 
-        // $this->setExpectedException('MongoConnectionException', "Failed to connect to: $host:$port: Connection refused");
         $connection = DB::connection('mongodb');
+        $this->assertEquals("mongodb://db1:27000", (string) $connection->getMongoClient());
     }
 
     public function testHostWithPorts()
     {
-        $hosts = ['localhost:27001', 'localhost:27002'];
         Config::set('database.connections.mongodb.port', 27000);
-        Config::set('database.connections.mongodb.host', ['localhost:27001', 'localhost:27002']);
-        $database = Config::get('database.connections.mongodb.database');
+        Config::set('database.connections.mongodb.host', ['db1:27001', 'db2:27002', 'db3:27000']);
 
-        // $this->setExpectedException('MongoConnectionException', "Failed to connect to: " . $hosts[0] . ": Connection refused; Failed to connect to: " . $hosts[1] . ": Connection refused");
         $connection = DB::connection('mongodb');
+        $this->assertEquals('mongodb://db1:27001,db2:27002,db3:27000', (string) $connection->getMongoClient());
     }
 }
diff --git a/tests/QueryBuilderTest.php b/tests/QueryBuilderTest.php
index 9d45b17ba..988667d09 100644
--- a/tests/QueryBuilderTest.php
+++ b/tests/QueryBuilderTest.php
@@ -422,8 +422,8 @@ public function testSubdocumentAggregate()
     public function testSubdocumentArrayAggregate()
     {
         DB::collection('items')->insert([
-            ['name' => 'knife', 'amount' => [['hidden' => 10, 'found' => 3],['hidden' => 5, 'found' => 2]]],
-            ['name' => 'fork',  'amount' => [['hidden' => 35, 'found' => 12],['hidden' => 7, 'found' => 17],['hidden' => 1, 'found' => 19]]],
+            ['name' => 'knife', 'amount' => [['hidden' => 10, 'found' => 3], ['hidden' => 5, 'found' => 2]]],
+            ['name' => 'fork',  'amount' => [['hidden' => 35, 'found' => 12], ['hidden' => 7, 'found' => 17], ['hidden' => 1, 'found' => 19]]],
             ['name' => 'spoon', 'amount' => [['hidden' => 14, 'found' => 21]]],
             ['name' => 'teaspoon', 'amount' => []],
         ]);