diff --git a/frappe/utils/__init__.py b/frappe/utils/__init__.py
index 956846d50c..f2e2319802 100644
--- a/frappe/utils/__init__.py
+++ b/frappe/utils/__init__.py
@@ -481,7 +481,7 @@ def watch(path, handler=None, debug=True):
 	observer.join()
 
 def markdown(text, sanitize=True, linkify=True):
-	html = frappe.utils.md_to_html(text)
+	html = text if is_html(text) else frappe.utils.md_to_html(text)
 
 	if sanitize:
 		html = html.replace("<!-- markdown -->", "")