diff --git a/sphinx/util/template.py b/sphinx/util/template.py
index 18047d687..bb078a2a2 100644
--- a/sphinx/util/template.py
+++ b/sphinx/util/template.py
@@ -84,6 +84,8 @@ class LaTeXRenderer(SphinxRenderer):
         self.env.variable_end_string = '%>'
         self.env.block_start_string = '<%'
         self.env.block_end_string = '%>'
+        self.env.comment_start_string = '<#'
+        self.env.comment_end_string = '<#'
 
 
 class ReSTRenderer(SphinxRenderer):