diff --git a/library/Rules/PostalCode.php b/library/Rules/PostalCode.php
index a94e3fa5..cc0f49d8 100644
--- a/library/Rules/PostalCode.php
+++ b/library/Rules/PostalCode.php
@@ -131,7 +131,7 @@ class PostalCode extends Regex
         'PG' => "/^(\d{3})$/",
         'PH' => "/^(\d{4})$/",
         'PK' => "/^(\d{5})$/",
-        'PL' => "/^(\d{5})$/",
+        'PL' => "/^(\d{2}-\d{3})$/",
         'PM' => '/^(97500)$/',
         'PR' => "/^(\d{9})$/",
         'PT' => "/^(\d{7})$/",
diff --git a/tests/unit/Rules/PostalCodeTest.php b/tests/unit/Rules/PostalCodeTest.php
index 9688f802..76bf9227 100644
--- a/tests/unit/Rules/PostalCodeTest.php
+++ b/tests/unit/Rules/PostalCodeTest.php
@@ -90,6 +90,7 @@ class PostalCodeTest extends \PHPUnit_Framework_TestCase
             ['GB', 'PR1 9LY'],
             ['US', '02179'],
             ['YE', ''],
+            ['PL', '99-300'],
         ];
     }
 
@@ -123,6 +124,7 @@ class PostalCodeTest extends \PHPUnit_Framework_TestCase
             ['GB', 'PR19LY'],
             ['US', '021 79'],
             ['YE', '02179'],
+            ['PL', '99300'],
         ];
     }
 }