diff --git a/_includes/download.html b/_includes/download.html
index 82c4d8fdc..268643b94 100644
--- a/_includes/download.html
+++ b/_includes/download.html
@@ -98,7 +98,7 @@ <h3>Ubuntu 20.04 <small>(amd64, armhf, arm64, ppc64el)</small></h3>
 <pre><code class="language-bash">sudo apt install gnupg ca-certificates
 sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
 echo "deb https://download.mono-project.com/repo/ubuntu {{ include.releasename | downcase }}-focal main" | sudo tee /etc/apt/sources.list.d/mono-official-{{ include.releasename | downcase }}.list
-echo "deb https://download.mono-project.com/repo/ubuntu preview-focal main" | sudo tee /etc/apt/sources.list.d/mono-official-{{ include.releasename | downcase }}.list
+echo "deb https://download.mono-project.com/repo/ubuntu preview-focal main" | sudo tee /etc/apt/sources.list.d/mono-official-preview.list
 sudo apt update</code></pre>
 {% else %}
 <pre><code class="language-bash">sudo apt install gnupg ca-certificates