diff --git a/www/ebooks/ebook.php b/www/ebooks/ebook.php
index dc7e8b28..361955e1 100644
--- a/www/ebooks/ebook.php
+++ b/www/ebooks/ebook.php
@@ -288,8 +288,8 @@ catch(Exceptions\EbookNotFoundException){
 										<li property="schema:encoding" typeof="schema:mediaObject">
 											<meta property="schema:description" content="XHTML"/>
 											<meta property="schema:encodingFormat" content="application/xhtml+xml"/>
-											<p<? if($ebook->TextSinglePageSizeNumber >= 3 && $ebook->TextSinglePageSizeUnit == 'M'){ ?> class="has-size"<? } ?>>
-												<a property="schema:contentUrl" href="<?= $ebook->TextSinglePageUrl ?>" class="page">Read on one page</a><? if($ebook->TextSinglePageSizeNumber >= 3 && $ebook->TextSinglePageSizeUnit == 'M'){ ?><span><?= $ebook->TextSinglePageSizeNumber ?>MB</span><? } ?>
+											<p<? if($ebook->TextSinglePageByteCount >= EBOOK_SINGLE_PAGE_SIZE_WARNING){ ?> class="has-size"<? } ?>>
+												<a property="schema:contentUrl" href="<?= $ebook->TextSinglePageUrl ?>" class="page">Read on one page</a><? if($ebook->TextSinglePageByteCount >= EBOOK_SINGLE_PAGE_SIZE_WARNING){ ?><span><?= $ebook->TextSinglePageSizeNumber ?>MB</span><? } ?>
 											</p>
 										</li>
 									<? } ?>