diff --git a/uSync.Core/Serialization/Serializers/MediaTypeSerializer.cs b/uSync.Core/Serialization/Serializers/MediaTypeSerializer.cs
index 1fc9fe87..56b99ebb 100644
--- a/uSync.Core/Serialization/Serializers/MediaTypeSerializer.cs
+++ b/uSync.Core/Serialization/Serializers/MediaTypeSerializer.cs
@@ -76,6 +76,8 @@ protected override SyncAttempt<IMediaType> DeserializeCore(XElement node, SyncSe
         details.AddRange(DeserializeTabs(item, node));
         details.AddRange(DeserializeProperties(item, node, options));
 
+        details.AddRange(DeserializeCompositions(item, node));
+
         CleanTabs(item, node, options);
 
         return DeserializedResult(item, details, options);