diff --git a/src/node.c b/src/node.c
index e7a9606d5..c7e62d25b 100644
--- a/src/node.c
+++ b/src/node.c
@@ -288,6 +288,10 @@ const char *cmark_node_get_type_string(cmark_node *node) {
     return "link";
   case CMARK_NODE_IMAGE:
     return "image";
+  case CMARK_NODE_FOOTNOTE_REFERENCE:
+    return "fnref";
+  case CMARK_NODE_FOOTNOTE_DEFINITION:
+    return "fn";
   }
 
   return "<unknown>";
diff --git a/src/xml.c b/src/xml.c
index 5753e5ab9..c9a79cfd6 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -134,6 +134,25 @@ static int S_render_node(cmark_node *node, cmark_event_type ev_type,
       escape_xml(xml, node->as.link.title.data, node->as.link.title.len);
       cmark_strbuf_putc(xml, '"');
       break;
+    case CMARK_NODE_FOOTNOTE_DEFINITION:
+      cmark_strbuf_puts(xml, " id=\"fn-");
+      escape_xml(xml, node->as.literal.data, node->as.literal.len);
+      cmark_strbuf_putc(xml, '"');
+      break;
+    case CMARK_NODE_FOOTNOTE_REFERENCE:
+      cmark_strbuf_puts(xml, " id=\"fnref-");
+      escape_xml(xml, node->parent_footnote_def->as.literal.data, node->parent_footnote_def->as.literal.len);
+      if (node->footnote.ref_ix > 1) {
+        char n[32];
+        snprintf(n, sizeof(n), "%d", node->footnote.ref_ix);
+        cmark_strbuf_puts(xml, "-");
+        cmark_strbuf_puts(xml, n);
+      }
+      cmark_strbuf_putc(xml, '"');
+      cmark_strbuf_puts(xml, " destination=\"fn-");
+      escape_xml(xml, node->parent_footnote_def->as.literal.data, node->parent_footnote_def->as.literal.len);
+      cmark_strbuf_putc(xml, '"');
+      break;
     default:
       break;
     }