diff --git a/layouts/shortcodes/slide.html b/layouts/shortcodes/slide.html
index effa9fa..05aca5e 100644
--- a/layouts/shortcodes/slide.html
+++ b/layouts/shortcodes/slide.html
@@ -16,12 +16,19 @@
 {{- $noOutput := slice "content" "template" -}}
 {{- $template := $params.Get "template" -}}
 {{- if $template -}}
-  {{- $scratch.Add "templateParams" (slice $.Site.Params.reveal_hugo.templates) -}}
+  {{- $scratch.Add "templateParams" slice -}}
+  {{- with $.Site.Params.reveal_hugo.templates -}}
+    {{- $scratch.Add "templateParams" . -}}
+  {{- end -}}
   {{- if ne $.Page.File.LogicalName "_index.md" -}}
-    {{- $scratch.Add "templateParams" (slice ($.Site.GetPage $.Page.Section).Params.reveal_hugo.templates) -}}
+    {{- $scratch.Add "templateParams" ($.Site.GetPage $.Page.Section).Params.reveal_hugo.templates -}}
+  {{- end -}}
+  {{- with $.Page.Params.reveal_hugo.templates -}}
+    {{- $scratch.Add "templateParams" . -}}
   {{- end -}}
   {{- $scratch.Add "templateParams" (slice $.Page.Params.reveal_hugo.templates) -}}
-  {{- range ($scratch.Get "templateParams") -}}
+  {{- $templateParams := $scratch.Get "templateParams" }}
+  {{- range $templateParams -}}
     {{- if (ne . nil) -}}
       {{- range $key, $value := (index . $template) -}}
         {{- $scratch.SetInMap "template" $key $value | safeHTMLAttr -}}