diff --git a/src/document/dom/renderer.c b/src/document/dom/renderer.c
index f5c0ad2eb..882ac7ef4 100644
--- a/src/document/dom/renderer.c
+++ b/src/document/dom/renderer.c
@@ -673,6 +673,7 @@ render_dom_document(struct cache_entry *cached, struct document *document,
 	unsigned char *string = struri(cached->uri);
 	size_t length = strlen(string);
 	struct dom_string uri = INIT_DOM_STRING(string, length);
+	struct dom_string source = INIT_DOM_STRING(buffer->source, buffer->length);
 
 	assert(document->options.plain);
 
@@ -699,7 +700,7 @@ render_dom_document(struct cache_entry *cached, struct document *document,
 			      &dom_source_renderer_context_info);
 	add_dom_stack_tracer(&parser->stack);
 
-	root = parse_sgml(parser, buffer);
+	root = parse_sgml(parser, &source);
 	if (root) {
 		assert(parser->stack.depth == 1);
 
diff --git a/src/dom/sgml/parser.c b/src/dom/sgml/parser.c
index 1617861cb..603b8eb1c 100644
--- a/src/dom/sgml/parser.c
+++ b/src/dom/sgml/parser.c
@@ -21,7 +21,7 @@
 
 
 static struct sgml_parsing_state *
-init_sgml_parsing_state(struct sgml_parser *parser, struct string *buffer);
+init_sgml_parsing_state(struct sgml_parser *parser, struct dom_string *buffer);
 
 
 /* When getting the sgml_parser struct it is _always_ assumed that the parser
@@ -321,7 +321,7 @@ parse_sgml_plain(struct dom_stack *stack, struct dom_scanner *scanner)
 }
 
 struct dom_node *
-parse_sgml(struct sgml_parser *parser, struct string *buffer)
+parse_sgml(struct sgml_parser *parser, struct dom_string *buffer)
 {
 	struct sgml_parsing_state *parsing;
 
@@ -419,12 +419,12 @@ static struct dom_stack_context_info sgml_parsing_context_info = {
 
 /* Create a new parsing state by pushing a new text node containing the*/
 static struct sgml_parsing_state *
-init_sgml_parsing_state(struct sgml_parser *parser, struct string *buffer)
+init_sgml_parsing_state(struct sgml_parser *parser, struct dom_string *buffer)
 {
 	struct dom_stack_state *state;
 	struct dom_node *node;
 
-	node = init_dom_node(DOM_NODE_TEXT, buffer->source, buffer->length);
+	node = init_dom_node(DOM_NODE_TEXT, buffer->string, buffer->length);
 	if (!node || !push_dom_node(&parser->parsing, node))
 		return NULL;
 
diff --git a/src/dom/sgml/parser.h b/src/dom/sgml/parser.h
index d391c7cfd..144df935a 100644
--- a/src/dom/sgml/parser.h
+++ b/src/dom/sgml/parser.h
@@ -57,6 +57,6 @@ init_sgml_parser(enum sgml_parser_type type, enum sgml_document_type doctype,
 
 void done_sgml_parser(struct sgml_parser *parser);
 
-struct dom_node *parse_sgml(struct sgml_parser *parser, struct string *buffer);
+struct dom_node *parse_sgml(struct sgml_parser *parser, struct dom_string *buffer);
 
 #endif