diff --git a/cake/libs/set.php b/cake/libs/set.php
index bff7b2868..a2ad13465 100644
--- a/cake/libs/set.php
+++ b/cake/libs/set.php
@@ -418,22 +418,25 @@ class Set extends Object {
 				
 				$match = false;
 				if (array_key_exists($token, $context['item']) && (!$conditions || Set::matches($conditions, $context['item'][$token], $i))) {
-					$match = array(
-						'trace' => am($context['trace'], $context['key']),
-						'key' => $token,
-						'item' => $context['item'][$token],
-					);
+					$items = $context['item'][$token];
+					if (!is_array($items) || !isset($items[0])) {
+						$items = array($items);
+					}
+
+					foreach ($items as $item) {
+						$matches[] = array(
+							'trace' => am($context['trace'], $context['key']),
+							'key' => $token,
+							'item' => $item,
+						);
+					}
 				} else if ($key === $token && (!$conditions || Set::matches($conditions, $context['item'], $i+1))) {
-					$match = array(
+					$matches[] = array(
 						'trace' => am($context['trace'], $key),
 						'key' => $key,
 						'item' => $context['item'],
 					);
 				}
-
-				if ($match) {
-					$matches[] = $match;
-				}
 			}
 			if (empty($tokens)) {
 				break;
diff --git a/cake/tests/cases/libs/set.test.php b/cake/tests/cases/libs/set.test.php
index 319ac3960..d30866ab9 100644
--- a/cake/tests/cases/libs/set.test.php
+++ b/cake/tests/cases/libs/set.test.php
@@ -423,6 +423,59 @@ class SetTest extends UnitTestCase {
 		$expected = array(4);
 		$r = Set::extract('/User/id', $single);
 		$this->assertEqual($r, $expected);
+		
+		$common = array(	
+			array(
+				'Article' => array(
+					'id' => 1,
+					'name' => 'Article 1',
+				),
+				'Comment' => array(
+					array(
+						'id' => 1,
+						'user_id' => 5,
+						'article_id' => 1,
+						'text' => 'Comment 1',
+					),
+					array(
+						'id' => 2,
+						'user_id' => 23,
+						'article_id' => 1,
+						'text' => 'Comment 2',
+					),
+					array(
+						'id' => 3,
+						'user_id' => 17,
+						'article_id' => 1,
+						'text' => 'Comment 3',
+					),
+				),
+			),
+			array(
+				'Article' => array(
+					'id' => 2,
+					'name' => 'Article 2',
+				),
+				'Comment' => array(
+					array(
+						'id' => 4,
+						'user_id' => 2,
+						'article_id' => 2,
+						'text' => 'Comment 4',
+					),
+					array(
+						'id' => 5,
+						'user_id' => 3,
+						'article_id' => 2,
+						'text' => 'Comment 5',
+					),
+				),
+			)
+		);
+
+		$r = Set::extract('/Comment/id', $common);
+		$expected = array(1, 2, 3, 4, 5);
+		$this->assertEqual($r, $expected);
 	}
 /**
  * undocumented function