diff --git a/src/document/libdom/renderer2.c b/src/document/libdom/renderer2.c
index 3c27512a6..3e3937455 100644
--- a/src/document/libdom/renderer2.c
+++ b/src/document/libdom/renderer2.c
@@ -367,6 +367,7 @@ dump_xhtml(struct cache_entry *cached, struct document *document, int parse)
 			document->cache_id = cached2->cache_id;
 			document->cached = cached2;
 			render_xhtml_document(cached2, document, &document->text);
+			object_unlock(cached);
 			return;
 		}
 		render_html_document(cached, document, &document->text);