diff --git a/cps/clean_html.py b/cps/clean_html.py
index fc4fe6d1..c687f154 100644
--- a/cps/clean_html.py
+++ b/cps/clean_html.py
@@ -35,7 +35,7 @@ def clean_string(unsafe_text, book_id=0):
     try:
         if bleach:
             allowed_tags = list(ALLOWED_TAGS)
-            allowed_tags.extend(["p", "span", "div", "pre", "h1", "h2", "h3", "h4", "h5", "h6"])
+            allowed_tags.extend(["p", "span", "div", "pre", "br", "h1", "h2", "h3", "h4", "h5", "h6"])
             safe_text = clean_html(unsafe_text, tags=set(allowed_tags))
         else:
             safe_text = clean_html(unsafe_text)