diff --git a/openedx/core/lib/xblock_serializer/block_serializer.py b/openedx/core/lib/xblock_serializer/block_serializer.py
index 966380f25061..f12bf5336af5 100644
--- a/openedx/core/lib/xblock_serializer/block_serializer.py
+++ b/openedx/core/lib/xblock_serializer/block_serializer.py
@@ -133,7 +133,7 @@ def _serialize_html_block(self, block) -> etree.Element:
 
         # Escape any CDATA special chars
         escaped_block_data = block.data.replace("]]>", "]]>")
-        olx_node.text = etree.CDATA("\n" + escaped_block_data + "\n")
+        olx_node.text = etree.CDATA(escaped_block_data)
         return olx_node