diff --git a/src/source/conf.py b/src/source/conf.py
index 9cd24ad25..a07f3d6ab 100644
--- a/src/source/conf.py
+++ b/src/source/conf.py
@@ -67,7 +67,8 @@ html_theme_options = {
     'sidebar_collapse': True,
     'show_relbar_top': True,
     'show_relbar_bottom': True,
-    }
+    'page_width': '100%',
+}
 
 htmlhelp_basename = 'Dynaremanual'