diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index db2f195..ff5416e 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -51,7 +51,7 @@
{{ "" | safeHTML }}
- {{ if not .Site.Params.sidebar.hide }}
+ {{ if and (.Site.Params.sidebar) (not .Site.Params.sidebar.hide) }}
{{ partial "sidebar.html" . }}
{{ end }}