diff --git a/WikilogParser.php b/WikilogParser.php
index cd144e3..a164e59 100644
--- a/WikilogParser.php
+++ b/WikilogParser.php
@@ -269,9 +269,9 @@ public static function publish( $parser, $pubdate /*, $author... */ ) {
 
 		// First argument is the publish date
 		if ( !is_null( $pubdate ) ) {
-			wfSuppressWarnings(); // Shut up E_STRICT warnings about timezone.
+			Wikimedia\suppressWarnings(); // Shut up E_STRICT warnings about timezone.
 			$ts = strtotime( $pubdate );
-			wfRestoreWarnings();
+			Wikimedia\restoreWarnings();
 			if ( $ts > 0 ) {
 				$parser->mExtWikilog->mPubDate = wfTimestamp( TS_MW, $ts );
 			} else {