diff --git a/libheif/box.cc b/libheif/box.cc
index 8fa723c571d..e01946a3e66 100644
--- a/libheif/box.cc
+++ b/libheif/box.cc
@@ -716,6 +716,10 @@ Error Box::write(StreamWriter& writer) const
 {
   size_t box_start = reserve_box_header_space(writer);
 
+  if (get_short_type() == fourcc("uuid")) {
+    writer.write(m_uuid_data);
+  }
+
   Error err = write_children(writer);
 
   prepend_header(writer, box_start);
diff --git a/libheif/heif_properties.cc b/libheif/heif_properties.cc
index 4a064b612f5..206ab879f1c 100644
--- a/libheif/heif_properties.cc
+++ b/libheif/heif_properties.cc
@@ -315,6 +315,7 @@ struct heif_error heif_item_add_property_uuid(const struct heif_context* context
   std::vector<uint8_t> uuid_type_vector(uuid_type, uuid_type + 16);
 
   auto uuid_box = std::make_shared<Box>();
+  uuid_box->set_short_type(fourcc("uuid"));
   uuid_box->set_uuid_type(uuid_type_vector);
   uuid_box->set_uuid_data(data_vector);
 
diff --git a/libheif/heif_properties.h b/libheif/heif_properties.h
index bd624516cb5..5fd3c5c5abe 100644
--- a/libheif/heif_properties.h
+++ b/libheif/heif_properties.h
@@ -37,7 +37,8 @@ enum heif_item_property_type
   heif_item_property_type_transform_mirror = heif_fourcc('i', 'm', 'i', 'r'),
   heif_item_property_type_transform_rotation = heif_fourcc('i', 'r', 'o', 't'),
   heif_item_property_type_transform_crop = heif_fourcc('c', 'l', 'a', 'p'),
-  heif_item_property_type_image_size = heif_fourcc('i', 's', 'p', 'e')
+  heif_item_property_type_image_size = heif_fourcc('i', 's', 'p', 'e'),
+  heif_item_property_type_uuid = heif_fourcc('u', 'u', 'i', 'd')
 };
 
 // Get the heif_property_id for a heif_item_id.