diff --git a/images/supported-versions.php b/images/supported-versions.php
index 4b29f23d83..a3c7ff2642 100644
--- a/images/supported-versions.php
+++ b/images/supported-versions.php
@@ -154,7 +154,7 @@ function date_horiz_coord(DateTime $date) {
 	<!-- Today -->
 	<g class="today">
 		<?php
-		$now = new DateTime;
+		$now = new DateTime();
 		$x = date_horiz_coord($now);
 		?>
 		<line x1="<?php echo $x ?>" y1="<?php echo $header_height ?>" x2="<?php echo $x ?>" y2="<?php echo $header_height + (count($branches) * $branch_height) ?>" />