diff --git a/boards/mdx_neboard.py b/boards/mdx_neboard.py
--- a/boards/mdx_neboard.py
+++ b/boards/mdx_neboard.py
@@ -228,7 +228,7 @@ class Parser:
         self.parser.add_simple_formatter('code',
                                          '<pre><code>%(value)s</pre></code>',
                                          render_embedded=False,
-                                         escape_html=False,
+                                         escape_html=True,
                                          replace_links=False,
                                          replace_cosmetic=False)