diff --git a/UniversalLanguageSelector.hooks.php b/UniversalLanguageSelector.hooks.php
index 94007501..f1ad9e83 100644
--- a/UniversalLanguageSelector.hooks.php
+++ b/UniversalLanguageSelector.hooks.php
@@ -72,7 +72,9 @@ class UniversalLanguageSelectorHooks {
 	}
 
 	protected static function isSupportedLanguage( $language ) {
+		wfProfileIn( __METHOD__ );
 		$supported = Language::fetchLanguageNames( null, 'mwfile' );
+		wfProfileOut( __METHOD__ );
 
 		return isset( $supported[$language] );
 	}
@@ -81,11 +83,13 @@ class UniversalLanguageSelectorHooks {
 	 * @return string
 	 */
 	protected static function getDefaultLanguage( array $preferred ) {
+		wfProfileIn( __METHOD__ );
 		$supported = Language::fetchLanguageNames( null, 'mwfile' );
 		// look for a language that is acceptable to the client
 		// and known to the wiki.
 		foreach ( $preferred as $code => $weight ) {
 			if ( isset( $supported[$code] ) ) {
+				wfProfileOut( __METHOD__ );
 				return $code;
 			}
 		}
@@ -96,10 +100,12 @@ class UniversalLanguageSelectorHooks {
 			$parts = explode( '-', $code, 2 );
 			$code = $parts[0];
 			if ( isset( $supported[$code] ) ) {
+				wfProfileOut( __METHOD__ );
 				return $code;
 			}
 		}
 
+		wfProfileOut( __METHOD__ );
 		return "";
 	}