diff --git a/mysql_zbx_part.pl b/mysql_zbx_part.pl
index f5df049..a866394 100755
--- a/mysql_zbx_part.pl
+++ b/mysql_zbx_part.pl
@@ -74,7 +74,7 @@
 
 # name templates for the different periods
 my $partition_name_templates = { 'day' => 'p%Y_%m_%d',
-		'week' => 'p%Y_w%W',
+		'week' => 'p%Y_w%V',
 		'month' => 'p%Y_%m',
 	};
 
@@ -237,4 +237,4 @@ sub log_writer {
 		my $log_priority = shift;
 		syslog($log_priority, $log_line);
 	}
-}
\ No newline at end of file
+}