diff --git a/webgoat-container/src/main/java/org/owasp/webgoat/AsciiDoctorTemplateResolver.java b/webgoat-container/src/main/java/org/owasp/webgoat/AsciiDoctorTemplateResolver.java
index 4c72d4788..a9ebf2ac1 100644
--- a/webgoat-container/src/main/java/org/owasp/webgoat/AsciiDoctorTemplateResolver.java
+++ b/webgoat-container/src/main/java/org/owasp/webgoat/AsciiDoctorTemplateResolver.java
@@ -98,6 +98,7 @@ public class AsciiDoctorTemplateResolver extends TemplateResolver {
         private Map<String, Object> createAttributes() {
             Map<String, Object> attributes = Maps.newHashMap();
             attributes.put("source-highlighter", "coderay");
+            attributes.put("backend", "xhtml");
 
             Map<String, Object> options = Maps.newHashMap();
             options.put("attributes", attributes);