diff --git a/public/articolo.php b/public/articolo.php
index 92d6ff4..d34b319 100644
--- a/public/articolo.php
+++ b/public/articolo.php
@@ -59,8 +59,8 @@ try {
 	}
 	else if ($media->mediaType == MediaModel::TYPE_IMAGE){
 		$mediaMetaInfo = 'itemprop="image"';
-		$additionalHeaders[] = '<meta property="og:image" content="'.$media->getRenderer()->getImageLink(MediaRenderer::SIZE_ORIGINAL).'"/>';
-		$additionalHeaders[] = '<meta property="og:image:url" content="'.$media->getRenderer()->getImageLink(MediaRenderer::SIZE_ORIGINAL).'"/>';
+		$additionalHeaders[] = '<meta property="og:image" content="'.$media->getRenderer()->getImageLink(MediaRenderer::SIZE_BIG).'"/>';
+		$additionalHeaders[] = '<meta property="og:image:url" content="'.$media->getRenderer()->getImageLink(MediaRenderer::SIZE_BIG).'"/>';
 	}
 	
 	if(array_key_exists("submit", $_POST) && strcmp($_POST["submit"] ,"Submit")==0){