diff --git a/src/Symfony/Component/Finder/CHANGELOG.md b/src/Symfony/Component/Finder/CHANGELOG.md
index a88dd941ee..7b8efdd9e1 100644
--- a/src/Symfony/Component/Finder/CHANGELOG.md
+++ b/src/Symfony/Component/Finder/CHANGELOG.md
@@ -6,6 +6,8 @@ CHANGELOG
 
  * added Finder::path() and Finder::notPath() methods
  * added finder adapters to improve performance on specific platforms
+ * added support for wildcard characters (glob patterns) in the paths passed
+   to Finder::in()
 
 2.1.0
 -----
diff --git a/src/Symfony/Component/Finder/Finder.php b/src/Symfony/Component/Finder/Finder.php
index aa32cd4e33..3b075218c8 100644
--- a/src/Symfony/Component/Finder/Finder.php
+++ b/src/Symfony/Component/Finder/Finder.php
@@ -598,21 +598,25 @@ class Finder implements \IteratorAggregate, \Countable
      *
      * @return Finder The current Finder instance
      *
-     * @throws \InvalidArgumentException if one of the directory does not exist
+     * @throws \InvalidArgumentException if one of the directories does not exist
      *
      * @api
      */
     public function in($dirs)
     {
-        $dirs = (array) $dirs;
+        $resolvedDirs = array();
 
-        foreach ($dirs as $dir) {
-            if (!is_dir($dir)) {
+        foreach ((array) $dirs as $dir) {
+            if (is_dir($dir)) {
+                $resolvedDirs[] = $dir;
+            } elseif ($glob = glob($dir, GLOB_ONLYDIR)) {
+                $resolvedDirs = array_merge($resolvedDirs, $glob);
+            } else {
                 throw new \InvalidArgumentException(sprintf('The "%s" directory does not exist.', $dir));
             }
         }
 
-        $this->dirs = array_merge($this->dirs, $dirs);
+        $this->dirs = array_merge($this->dirs, $resolvedDirs);
 
         return $this;
     }
diff --git a/src/Symfony/Component/Finder/Tests/FinderTest.php b/src/Symfony/Component/Finder/Tests/FinderTest.php
index dcc8bb95bd..3134f4ec88 100644
--- a/src/Symfony/Component/Finder/Tests/FinderTest.php
+++ b/src/Symfony/Component/Finder/Tests/FinderTest.php
@@ -311,6 +311,27 @@ class FinderTest extends Iterator\RealIteratorTestCase
         $this->assertIterator(array(self::$tmpDir.DIRECTORY_SEPARATOR.'test.php', __DIR__.DIRECTORY_SEPARATOR.'FinderTest.php'), $iterator);
     }
 
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testInWithGlob($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(array(__DIR__.'/Fixtures/*/B/C', __DIR__.'/Fixtures/*/*/B/C'))->getIterator();
+
+        $this->assertIterator($this->toAbsoluteFixtures(array('A/B/C/abc.dat', 'copy/A/B/C/abc.dat.copy')), $finder);
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     * @expectedException \InvalidArgumentException
+     */
+    public function testInWithNonDirectoryGlob($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(__DIR__.'/Fixtures/A/a*');
+    }
+
     /**
      * @dataProvider getAdaptersTestData
      */