diff --git a/layouts/shortcodes/callout.html b/layouts/shortcodes/callout.html
index 7c4ce0f..c65e721 100644
--- a/layouts/shortcodes/callout.html
+++ b/layouts/shortcodes/callout.html
@@ -1,11 +1,9 @@
 {{ $type := .Get "type" | default "info" }}
 
-{{ $isHugoBook := eq .Site.Params.theme "book" }}
-
-{{ if and $isHugoBook (eq $type "error") }}
+{{ if eq $type "error" }}
   {{ $type = "danger" }}
 {{ end }}
 
 <blockquote class="book-hint {{ $type }}">
   {{ .Inner | .Page.RenderString }}
-</blockquote>
+</blockquote>
\ No newline at end of file