diff --git a/includes/Cite.php b/includes/Cite.php
index 07e014f3c..1692a8c34 100644
--- a/includes/Cite.php
+++ b/includes/Cite.php
@@ -233,7 +233,7 @@ class Cite {
 		$this->mParser = $parser;
 
 		# The key here is the "name" attribute.
-		list( $key, $group, $follow, $dir ) = $this->refArg( $argv );
+		list( $key, $group, $follow, $dir, $refines ) = $this->refArg( $argv );
 		// empty string indicate invalid dir
 		if ( $dir === '' && $text !== '' ) {
 			$text .= $this->plainError( 'cite_error_ref_invalid_dir', $argv['dir'] );
@@ -397,6 +397,7 @@ class Cite {
 		$key = null;
 		$follow = null;
 		$dir = null;
+		$refines = null;
 
 		if ( isset( $argv['dir'] ) ) {
 			// compare the dir attribute value against an explicit whitelist.
@@ -411,11 +412,11 @@ class Cite {
 
 		if ( $argv === [] ) {
 			// No key
-			return [ null, null, false, $dir ];
+			return [ null, null, false, $dir, null ];
 		}
 
 		if ( isset( $argv['name'] ) && isset( $argv['follow'] ) ) {
-			return [ false, false, false, false ];
+			return [ false, false, false, false, false ];
 		}
 
 		if ( isset( $argv['name'] ) ) {
@@ -434,17 +435,16 @@ class Cite {
 			unset( $argv['group'] );
 		}
 		if ( $wgCiteBookReferencing && isset( $argv[self::REFINES_ATTRIBUTE] ) ) {
-			// TODO: Extract the name and return it.
-			// $refines = trim( $argv[self::REFINES_ATTRIBUTE] );
+			$refines = trim( $argv[self::REFINES_ATTRIBUTE] );
 			unset( $argv[self::REFINES_ATTRIBUTE] );
 		}
 
 		if ( $argv !== [] ) {
 			// Unexpected invalid attribute.
-			return [ false, false, false, false ];
+			return [ false, false, false, false, false ];
 		}
 
-		return [ $key, $group, $follow, $dir ];
+		return [ $key, $group, $follow, $dir, $refines ];
 	}
 
 	/**
diff --git a/tests/phpunit/CiteTest.php b/tests/phpunit/CiteTest.php
index 082d27467..bfea5b235 100644
--- a/tests/phpunit/CiteTest.php
+++ b/tests/phpunit/CiteTest.php
@@ -28,28 +28,28 @@ class CiteTest extends MediaWikiTestCase {
 
 	public function provideRefAttributes() {
 		return [
-			[ [], [ null, null, false, null ] ],
+			[ [], [ null, null, false, null, null ] ],
 
 			// One attribute only
-			[ [ 'dir' => 'invalid' ], [ null, null, false, '' ] ],
-			[ [ 'dir' => 'rtl' ], [ null, null, false, ' class="mw-cite-dir-rtl"' ] ],
-			[ [ 'follow' => 'f' ], [ null, null, 'f', null ] ],
-			[ [ 'group' => 'g' ], [ null, 'g', null, null ] ],
-			[ [ 'invalid' => 'i' ], [ false, false, false, false ] ],
-			[ [ 'name' => 'n' ], [ 'n', null, null, null ] ],
-			[ [ 'name' => null ], [ false, false, false, false ] ],
-			[ [ 'refines' => 'r' ], [ null, null, null, null ] ],
+			[ [ 'dir' => 'invalid' ], [ null, null, false, '', null ] ],
+			[ [ 'dir' => 'rtl' ], [ null, null, false, ' class="mw-cite-dir-rtl"', null ] ],
+			[ [ 'follow' => 'f' ], [ null, null, 'f', null, null ] ],
+			[ [ 'group' => 'g' ], [ null, 'g', null, null, null ] ],
+			[ [ 'invalid' => 'i' ], [ false, false, false, false, false ] ],
+			[ [ 'name' => 'n' ], [ 'n', null, null, null, null ] ],
+			[ [ 'name' => null ], [ false, false, false, false, false ] ],
+			[ [ 'refines' => 'r' ], [ null, null, null, null, 'r' ] ],
 
 			// Pairs
-			[ [ 'follow' => 'f', 'name' => 'n' ], [ false, false, false, false ] ],
-			[ [ 'follow' => null, 'name' => null ], [ false, false, false, false ] ],
-			[ [ 'follow' => 'f', 'refines' => 'r' ], [ null, null, 'f', null ] ],
-			[ [ 'group' => 'r', 'name' => 'n' ], [ 'n', 'r', null, null ] ],
+			[ [ 'follow' => 'f', 'name' => 'n' ], [ false, false, false, false, false ] ],
+			[ [ 'follow' => null, 'name' => null ], [ false, false, false, false, false ] ],
+			[ [ 'follow' => 'f', 'refines' => 'r' ], [ null, null, 'f', null, 'r' ] ],
+			[ [ 'group' => 'g', 'name' => 'n' ], [ 'n', 'g', null, null, null ] ],
 
 			// Combinations of 3 or more attributes
 			[
-				[ 'group' => 'r', 'name' => 'n', 'refines' => 'f', 'dir' => 'rtl' ],
-				[ 'n', 'r', null, ' class="mw-cite-dir-rtl"' ]
+				[ 'group' => 'g', 'name' => 'n', 'refines' => 'r', 'dir' => 'rtl' ],
+				[ 'n', 'g', null, ' class="mw-cite-dir-rtl"', 'r' ]
 			],
 		];
 	}