diff --git a/conf.py b/conf.py
index 3a2569b..1958cba 100644
--- a/conf.py
+++ b/conf.py
@@ -70,7 +70,7 @@ html_css_files = ['custom_html.css'] # custom.css automatically included by alab
 
 html_extra_path = ['epub-cover.xhtml', 'epub-copyright.xhtml']
 
-html_copy_source = False
+html_show_sourcelink = False
 
 
 # -- Options for LaTeX output ------------------------------------------------