diff --git a/cake/libs/model/datasources/dbo_source.php b/cake/libs/model/datasources/dbo_source.php
index 62d5e5044..909a48d89 100644
--- a/cake/libs/model/datasources/dbo_source.php
+++ b/cake/libs/model/datasources/dbo_source.php
@@ -1698,7 +1698,9 @@ class DboSource extends DataSource {
 					} else {
 						if (!empty($match['2']) && $quoteValues) {
 							$match['2'] = $this->value($match['2']);
-							$match['2'] = str_replace(' AND ', "' AND '", $match['2']);
+							if (preg_match('/^(?:' . join('\\x20)|(?:', $this->__sqlOps) . '\\x20)/i', $match['1'])) {
+								$match['2'] = str_replace(' AND ', "' AND '", $match['2']);
+							}
 						}
 						$data = $this->__quoteFields($key);
 						if ($data === $key) {
diff --git a/cake/tests/cases/libs/model/datasources/dbo_source.test.php b/cake/tests/cases/libs/model/datasources/dbo_source.test.php
index 63901e1e0..81ab0f98d 100644
--- a/cake/tests/cases/libs/model/datasources/dbo_source.test.php
+++ b/cake/tests/cases/libs/model/datasources/dbo_source.test.php
@@ -1467,6 +1467,16 @@ class DboSourceTest extends CakeTestCase {
 		$result = $this->db->conditions($conditions);
 		$expected = " WHERE `Company`.`name` like  'd.a%'";
 		$this->assertEqual($result, $expected);
+
+		$conditions = array('Artist.name' => 'JUDY and MARY');
+		$result = $this->db->conditions($conditions);
+		$expected = " WHERE `Artist`.`name`  =  'JUDY and MARY'";
+		$this->assertEqual($result, $expected);
+
+		$conditions = array('Artist.name' => 'JUDY AND MARY');
+		$result = $this->db->conditions($conditions);
+		$expected = " WHERE `Artist`.`name`  =  'JUDY AND MARY'";
+		$this->assertEqual($result, $expected);
 	}
 
 	function testQuotesInStringConditions() {