diff --git a/src/document/dom/renderer.c b/src/document/dom/renderer.c
index 3949ddd53..75e6979b3 100644
--- a/src/document/dom/renderer.c
+++ b/src/document/dom/renderer.c
@@ -975,6 +975,31 @@ static struct dom_stack_context_info dom_rss_renderer_context_info = {
 };
 
 
+static void
+get_doctype(struct dom_renderer *renderer, struct cache_entry *cached)
+{
+	if (!strcasecmp("application/rss+xml", cached->content_type)) {
+		renderer->doctype = SGML_DOCTYPE_RSS;
+
+	} else if (!strcasecmp("application/docbook+xml",
+	                       cached->content_type)) {
+		renderer->doctype = SGML_DOCTYPE_DOCBOOK;
+
+	} else if (!strcasecmp("application/xbel+xml", cached->content_type)
+		   || !strcasecmp("application/x-xbel", cached->content_type)
+		   || !strcasecmp("application/xbel", cached->content_type)) {
+		renderer->doctype = SGML_DOCTYPE_XBEL;
+
+	} else {
+		assertm(!strcasecmp("text/html", cached->content_type)
+			|| !strcasecmp("application/xhtml+xml",
+		                       cached->content_type),
+			"Couldn't resolve doctype '%s'", cached->content_type);
+
+		renderer->doctype = SGML_DOCTYPE_HTML;
+	}
+}
+
 /* Shared multiplexor between renderers */
 void
 render_dom_document(struct cache_entry *cached, struct document *document,
@@ -1005,28 +1030,10 @@ render_dom_document(struct cache_entry *cached, struct document *document,
 	else
 		parser_type = SGML_PARSER_TREE;
 
-	/* FIXME: Refactor the doctype lookup. */
-	if (!strcasecmp("application/rss+xml", cached->content_type)) {
-		renderer.doctype = SGML_DOCTYPE_RSS;
-
-	} else if (!strcasecmp("application/docbook+xml", cached->content_type)) {
-		renderer.doctype = SGML_DOCTYPE_DOCBOOK;
-
-	} else if (!strcasecmp("application/xbel+xml", cached->content_type)
-		   || !strcasecmp("application/x-xbel", cached->content_type)
-		   || !strcasecmp("application/xbel", cached->content_type)) {
-		renderer.doctype = SGML_DOCTYPE_XBEL;
-
-	} else {
-		assertm(!strcasecmp("text/html", cached->content_type)
-			|| !strcasecmp("application/xhtml+xml", cached->content_type),
-			"Couldn't resolve doctype '%s'", cached->content_type);
-
-		renderer.doctype = SGML_DOCTYPE_HTML;
-	}
+	get_doctype(&renderer, cached);
 
 	parser = init_sgml_parser(parser_type, renderer.doctype, &uri, 0);
-  	if (!parser) return;
+	if (!parser) return;
 
 	if (document->options.plain) {
 		add_dom_stack_context(&parser->stack, &renderer,