diff --git a/layouts/index.html b/layouts/index.html
index a81639f..56dc443 100644
--- a/layouts/index.html
+++ b/layouts/index.html
@@ -1,5 +1,5 @@
 {{ define "body" }}
-    <body class="{{ if .Site.Params.background_image }} background-image" style="background-image: url('{{ .Site.Params.backgroundImage }}');" {{ else }}"{{ end }}>
+    <body class="{{ if .Site.Params.backgroundImage }} background-image" style="background-image: url('{{ .Site.Params.backgroundImage }}');" {{ else }}"{{ end }}>
 {{ end }}
 
 {{ define "main" }}
