diff --git a/model/DataList.php b/model/DataList.php
index 4a0d65250..a5d2452f3 100644
--- a/model/DataList.php
+++ b/model/DataList.php
@@ -182,7 +182,7 @@ class DataList extends ViewableData implements SS_List {
 		if(is_array($argumentArray)){
 			$sort = array();
 			foreach($argumentArray as $column => $direction) {
-				$sort []= '"'.$column.'" '.$direction;
+				$sort[]= ''.$this->getRelationName($column).' '.$direction;
 			}
 			$this->dataQuery->sort(implode(',', $sort));
 			return $this;
@@ -241,6 +241,23 @@ class DataList extends ViewableData implements SS_List {
 		return $this;
 	}
 
+	/**
+	 * Translates a Object relation name to a Database name and apply the relation join to 
+	 * the query
+	 *
+	 * @param string $field
+	 * @return string
+	 */
+	public function getRelationName($field) {
+		if(strpos($field,'.') === false) {
+			return '"'.$field.'"';
+		}
+		$relations = explode('.', $field);
+		$fieldName = array_pop($relations);
+		$relationModelName = $this->dataQuery->applyRelation($field);
+		return '"'.$relationModelName.'"."'.$fieldName.'"';
+	}
+
 	/**
 	 * Translates the comparisator to the sql query
 	 *
diff --git a/tests/model/DataListTest.php b/tests/model/DataListTest.php
index 6bc70ed58..c6d7f8910 100755
--- a/tests/model/DataListTest.php
+++ b/tests/model/DataListTest.php
@@ -471,4 +471,15 @@ class DataListTest extends SapphireTest {
 		$this->assertEquals('Joe', $list->first()->Name, 'First comment should be from Joe');
 		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
 	}
+
+	/**
+	 * 
+	 */
+	public function testSortByRelation() {
+		$list = DataList::create("DataObjectTest_TeamComment");
+		$list = $list->sort(array('Team.Title' => 'DESC'));
+		$this->assertEquals(3, $list->count());
+		$this->assertEquals(2, $list->first()->TeamID, 'First comment should be for Team 2');
+		$this->assertEquals(1, $list->last()->TeamID, 'Last comment should be for Team 1');
+	}
 }