diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3798749..71fa54c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,2 @@
-* BREAKING
-  * use pre tag instead of p for mermaid shortcode
 * BUGFIX
-  * optimize resource loading
-  * refactor expand shortcode to use valid html
-  * fix formatting of nested shortcodes markdown
-* INTERNAL
-  * add markdown linting to CI (markdownlint-cli)
-  * add spellchecking to CI (spellcheck-cli)
-  * add html/css validation to CI (nu.validator)
-  * add page validation to CI (lighthouse-ci)
-  * add broken link check to CI (broken-link-checker)
+  * fix mermaid default font
diff --git a/layouts/shortcodes/mermaid.html b/layouts/shortcodes/mermaid.html
index 372cda6..5e9d99e 100644
--- a/layouts/shortcodes/mermaid.html
+++ b/layouts/shortcodes/mermaid.html
@@ -11,6 +11,6 @@
 {{ .Page.Scratch.Set "mermaid" true }}
 {{ end }}
 
-<pre class="mermaid{{ with .Get "class" }} {{ . }}{{ end }}">
+<pre class="gdoc-mermaid mermaid{{ with .Get "class" }} {{ . }}{{ end }}">
   {{- .Inner -}}
 </pre>
diff --git a/src/sass/_shortcodes.scss b/src/sass/_shortcodes.scss
index 908e003..a5cb6ac 100644
--- a/src/sass/_shortcodes.scss
+++ b/src/sass/_shortcodes.scss
@@ -112,3 +112,8 @@
     }
   }
 }
+
+// {{< mermaid >}}
+.gdoc-mermaid {
+  font-family: "Liberation Sans", sans-serif;
+}