diff --git a/sphinx/templates/quickstart/conf.py_t b/sphinx/templates/quickstart/conf.py_t
index 98af7febc8d..0a535a5b994 100644
--- a/sphinx/templates/quickstart/conf.py_t
+++ b/sphinx/templates/quickstart/conf.py_t
@@ -61,6 +61,7 @@ source_suffix = {{ suffix | repr }}
 master_doc = {{ master | repr }}
 
 {% endif -%}
+{% if language -%}
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
@@ -68,6 +69,7 @@ master_doc = {{ master | repr }}
 # Usually you set "language" from the command line for these cases.
 language = {{ language | repr }}
 
+{% endif -%}
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.