diff --git a/includes/Database.php b/includes/Database.php
index d84625492f8..4994f74eb54 100644
--- a/includes/Database.php
+++ b/includes/Database.php
@@ -334,6 +334,7 @@ class Database {
 	function tableExists( $table )
 	{
 		$old = $this->mIgnoreErrors;
+		$this->mIgnoreErrors = true;
 		$res = $this->query( "SELECT 1 FROM $table LIMIT 1" );
 		$this->mIgnoreErrors = $old;
 		if( $res ) {