diff --git a/tests/Test.php b/tests/Test.php
index ddde175..e38974c 100644
--- a/tests/Test.php
+++ b/tests/Test.php
@@ -5,7 +5,7 @@ include 'Parsedown.php';
 class Test extends PHPUnit_Framework_TestCase
 {
 	const provider_dir = 'data/';
-	
+
 	/**
 	 * @dataProvider provider
 	 */
@@ -15,33 +15,41 @@ class Test extends PHPUnit_Framework_TestCase
 
 		$this->assertEquals($expected_markup, $actual_markup);
 	}
-	
+
 	function provider()
 	{
 		$provider = array();
-		
-		$DirectoryIterator = new DirectoryIterator(__DIR__ . '/' . self::provider_dir);
-		
+
+		$path = dirname(__FILE__).'/';
+
+		$DirectoryIterator = new DirectoryIterator($path . '/' . self::provider_dir);
+
 		foreach ($DirectoryIterator as $Item)
 		{
-			if ($Item->isFile() and $Item->getExtension() === 'md')
+			if ($Item->isFile())
 			{
+				$filename = $Item->getFilename();
+
+				$extension = pathinfo($filename, PATHINFO_EXTENSION);
+
+				if ($extension !== 'md')
+					continue;
+
 				$basename = $Item->getBasename('.md');
-				
-				$markdown = file_get_contents(__DIR__ . '/' . self::provider_dir . $basename . '.md');
-				
+
+				$markdown = file_get_contents($path . '/' . self::provider_dir . $basename . '.md');
+
 				if (!$markdown)
 					continue;
-				
-				$expected_markup = file_get_contents(__DIR__ . '/' . self::provider_dir . $basename . '.html');
+
+				$expected_markup = file_get_contents($path . '/' . self::provider_dir . $basename . '.html');
 				$expected_markup = str_replace("\r\n", "\n", $expected_markup);
 				$expected_markup = str_replace("\r", "\n", $expected_markup);
-				
+
 				$provider [] = array($markdown, $expected_markup);
 			}
 		}
-		
+
 		return $provider;
 	}
-}
-
+}
\ No newline at end of file