diff --git a/lms/templates/discussion/single_thread.html b/lms/templates/discussion/single_thread.html
index 84767eabb3..ee1ef9c269 100644
--- a/lms/templates/discussion/single_thread.html
+++ b/lms/templates/discussion/single_thread.html
@@ -17,9 +17,7 @@
<%include file="_js_body_dependencies.html" />
<%static:js group='discussion'/>
-
%block>