diff --git a/lib/Collection.php b/lib/Collection.php
index 66e7d9ce..5931ab24 100644
--- a/lib/Collection.php
+++ b/lib/Collection.php
@@ -60,7 +60,7 @@ class Collection{
 		}
 
 		if($this->Type !== null && ($this->Type != CollectionType::Series && $this->Type != CollectionType::Set)){
-			$error->Add(new Exceptions\InvalidCollectionTypeException($this->Type));
+			$error->Add(new Exceptions\InvalidCollectionTypeException($this->Type->value));
 		}
 
 		if($error->HasExceptions){
diff --git a/www/collections/get.php b/www/collections/get.php
index 5d7a808c..9b443b39 100644
--- a/www/collections/get.php
+++ b/www/collections/get.php
@@ -23,7 +23,7 @@ try{
 	}
 
 	$collectionName = preg_replace('/^The /ius', '', $collectionObject->Name);
-	$collectionType = $collectionObject->Type ?? 'collection';
+	$collectionType = $collectionObject->Type->value ?? 'collection';
 
 	$pageTitle = 'Browse free ebooks in the ' . Formatter::EscapeHtml($collectionName) . ' ' . $collectionType;
 	$pageDescription = 'A list of free ebooks in the ' . Formatter::EscapeHtml($collectionName) . ' ' . $collectionType;
diff --git a/www/ebooks/ebook.php b/www/ebooks/ebook.php
index af489a2e..3a33378b 100644
--- a/www/ebooks/ebook.php
+++ b/www/ebooks/ebook.php
@@ -129,8 +129,8 @@ catch(Exceptions\EbookNotFoundException){
 					<? $sequenceNumber = $collectionMembership->SequenceNumber; ?>
 					<p><? if($sequenceNumber !== null){ ?>№ <?= number_format($sequenceNumber) ?> in the<? }else{ ?>Part of the<? } ?> <a href="<?= $collection->Url ?>" property="schema:isPartOf"><?= Formatter::EscapeHtml(preg_replace('/^The /ius', '', (string)$collection->Name)) ?></a>
 					<? if($collection->Type !== null){ ?>
-						<? if(substr_compare(mb_strtolower($collection->Name), mb_strtolower($collection->Type), -strlen(mb_strtolower($collection->Type))) !== 0){ ?>
-							<?= $collection->Type ?>.
+						<? if(substr_compare(mb_strtolower($collection->Name), mb_strtolower($collection->Type->value), -strlen(mb_strtolower($collection->Type->value))) !== 0){ ?>
+							<?= $collection->Type->value ?>.
 						<? } ?>
 					<? }else{ ?>
 						collection.