diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f1039d2..ddf56515 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ## [Unreleased]
 ### Fixed
 - Missing dark style for group subheadings on article listings
+- Fathom Analytics script included twice when using custom domain
 
 ## [1.2.0] - 2021-08-22
 ### Added
diff --git a/layouts/partials/analytics.html b/layouts/partials/analytics.html
index 0787f40b..5f92a104 100644
--- a/layouts/partials/analytics.html
+++ b/layouts/partials/analytics.html
@@ -2,8 +2,9 @@
   {{ with .Site.Params.fathomAnalytics.site }}
     {{ if isset $.Site.Params.fathomanalytics "domain" }}
       <script src="https://{{ $.Site.Params.fathomanalytics.domain }}/script.js" data-site="{{ . }}" defer></script>
+    {{ else }}
+      <script src="https://cdn.usefathom.com/script.js" data-site="{{ . }}" defer></script>
     {{ end }}
-    <script src="https://cdn.usefathom.com/script.js" data-site="{{ . }}" defer></script>  
   {{ end }}
   {{ template "_internal/google_analytics.html" . }}
 {{ end }}