diff --git a/includes/SpecialCiteThisPage.php b/includes/SpecialCiteThisPage.php
index a7ea8f02..b2de0796 100644
--- a/includes/SpecialCiteThisPage.php
+++ b/includes/SpecialCiteThisPage.php
@@ -138,10 +138,10 @@ class SpecialCiteThisPage extends FormSpecialPage {
 			# and the text moved into SpecialCite.i18n.php
 			# This code is kept for b/c in case an installation has its own file "citethispage-content-xx"
 			# for a previously not supported language.
-			global $wgContLanguageCode;
+			global $wgLanguageCode;
 			$dir = __DIR__ . '/../';
 			$code = MediaWikiServices::getInstance()->getContentLanguage()
-				->lc( $wgContLanguageCode );
+				->lc( $wgLanguageCode );
 			if ( file_exists( "${dir}citethispage-content-$code" ) ) {
 				$msg = file_get_contents( "${dir}citethispage-content-$code" );
 			} elseif ( file_exists( "${dir}citethispage-content" ) ) {