diff --git a/epub.php b/epub.php
index ddb36df..f9f50ee 100644
--- a/epub.php
+++ b/epub.php
@@ -470,6 +470,18 @@
 			$date = $finder->query('//span[@class="date"]')->item(0)->textContent;
 			$summary = $finder->query('//div[@class="extrait"]')->item(0)->textContent;
 
+			// tranform "zoom" divs into aside tags
+			$zooms =  $finder->query('//div[contains(@class,"gt_zoom")]');
+			foreach ($zooms as $zoom)
+			{
+				$aside = $doc->createElement('aside');
+				while ($zoom->childNodes->length > 0)
+				{
+					$aside->appendChild($zoom->childNodes->item(0));
+				}
+				$zoom->parentNode->replaceChild($aside, $zoom);
+			}
+
 			$result = '<h1>' . $title . '</h1>';
 			$result .= '<p>' . $author . '</p>';
 			$result .= '<p>' . $date . '</p>';