diff --git a/benchmark/bechmark.php b/benchmark/bechmark.php
index 28447c9..b083fca 100644
--- a/benchmark/bechmark.php
+++ b/benchmark/bechmark.php
@@ -15,8 +15,7 @@
 $iterations++;
 
 $service = new DataTransformer;
-$service->getMapsManager()->setMapDir(UserModel::class, __DIR__ . '/maps/' . UserModel::class);
-$service->getMapsManager()->setMapDir(ChildModel::class, __DIR__ . '/maps/' . ChildModel::class);
+$service->getMapsManager()->setDefaultMapDir(__DIR__ . '/maps/');
 
 $collectionDto = [];
 while ($iterations--) {
diff --git a/src/MapsManager.php b/src/MapsManager.php
index 6c0e6f2..be99db2 100644
--- a/src/MapsManager.php
+++ b/src/MapsManager.php
@@ -7,14 +7,22 @@ class MapsManager
 {
     /** @var array */
     protected $cache = [];
-    /** @var array */
+    /** @var string[] */
     protected $mapsDirs = [];
     /** @var NormalizerInterface */
     protected $normalizer;
+    /** @var string */
+    protected $defaultMapsDirs = '';
 
-    public function __construct(NormalizerInterface $normalizer = null)
+    public function __construct(NormalizerInterface $normalizer = null, string $dir = '')
     {
         $this->normalizer = $normalizer ?? new Normalizer;
+        $this->setDefaultMapDir($dir);
+    }
+
+    public function setDefaultMapDir(string $dir): void
+    {
+        $this->defaultMapsDirs = $dir;
     }
 
     public function setMapDir(string $entityName, string $dir): void
@@ -26,14 +34,27 @@ public function getMap(string $entityName, string $mapName = 'dto'): array
     {
         $map = $this->cache[$entityName][$mapName] ?? null;
         if ($map === null) {
-            $dir = $this->mapsDirs[$entityName];
-            $rules = require $dir.'/'.$mapName.'.php';
+            $dir = $this->getMapDir($entityName);
+            $rules = require $dir.DIRECTORY_SEPARATOR.$mapName.'.php';
             $this->setMap($rules, $entityName, $mapName);
         }
 
         return $this->cache[$entityName][$mapName];
     }
 
+    public function getMapDir(string $entityName): string
+    {
+        $dir = $this->mapsDirs[$entityName] ?? null;
+
+        if (!$dir) {
+            $parts = explode('\\', $entityName);
+            $class = array_pop($parts);
+            $dir = $this->defaultMapsDirs . DIRECTORY_SEPARATOR . $class;
+        }
+
+        return $dir;
+    }
+
     public function setMap(array $rules, string $entityName, $mapName = 'dto'): void
     {
         $this->cache[$entityName][$mapName] = $this->normalizer->normalize($rules);
diff --git a/test/unit/MapsManagerTest.php b/test/unit/MapsManagerTest.php
index 94a5ff3..bd1d25e 100644
--- a/test/unit/MapsManagerTest.php
+++ b/test/unit/MapsManagerTest.php
@@ -44,4 +44,14 @@ public function testGetMapWithCache(): void
         self::assertCount(0, $map2['refs']);
         self::assertSame($map, $map2);
     }
+
+    public function testGetMapFromDefaultDir(): void
+    {
+        $this->manager->setDefaultMapDir(__DIR__ . '/data');
+        $map = $this->manager->getMap('Namespace\UserModel');
+        self::assertCount(3, $map);
+        self::assertCount(6, $map['rules']);
+        self::assertCount(2, $map['pipe']);
+        self::assertCount(0, $map['refs']);
+    }
 }
diff --git a/test/unit/data/UserModel/dto.php b/test/unit/data/UserModel/dto.php
new file mode 100644
index 0000000..04a26d9
--- /dev/null
+++ b/test/unit/data/UserModel/dto.php
@@ -0,0 +1,21 @@
+<?php
+
+return [
+    'id' => [],
+    'creAt' => [],
+    'name' => [],
+    'login' => [],
+    'active' => [
+        'pipe' => [
+            [
+                'populate' => 'boolval',
+                'extract' => 'boolval',
+            ]
+        ]
+    ],
+    'email' => [
+        'pipe' => [
+            'strtolower'
+        ]
+    ],
+];
\ No newline at end of file