diff --git a/test/parser/specific.c b/test/parser/specific.c
index 001c61a..c4b6182 100644
--- a/test/parser/specific.c
+++ b/test/parser/specific.c
@@ -24,12 +24,18 @@ void test_parse_header() {
   const char *buf = "### hello world";
   PARSER_OPEN(buf);
 
-  mrk_ast_node *root;
-  TEST_CHECK(mrk_parser_parse(&root, parser) == mrk_err_ok);
+  mrk_ast_node *header;
+  mrk_ast_node_init(&header);
+  TEST_CHECK(mrk_parser_parse_header(header, parser) == mrk_err_ok);
 
-  mrk_ast_node *header = root->children.arr[0];
   TEST_CHECK(header->type == mrk_ast_node_type_header);
-  TEST_CHECK(header->children.arr[0]->type == mrk_ast_node_type_text);
+  TEST_CHECK(header->d.header.depth == 3);
+  TEST_CHECK(header->children.len == 1);
+
+  mrk_ast_node *header_text = header->children.arr[0];
+  TEST_CHECK(header_text->type == mrk_ast_node_type_text);
+  TEST_CHECK(header_text->d.text.start == 3);
+  TEST_CHECK(header_text->d.text.end == 15);
 }
 
 void test_parse_link() {