diff --git a/layouts/shortcodes/tab.html b/layouts/shortcodes/tab.html
index 869f7b6803..1962807b93 100644
--- a/layouts/shortcodes/tab.html
+++ b/layouts/shortcodes/tab.html
@@ -1,3 +1,4 @@
+{{- $_hugo_config := `{ "version": 1 }` }}
 {{- $content := .Inner }}
 {{- $name := (.Get "name") }}
 {{- $tabs := slice }}