diff --git a/README.md b/README.md
index d9ffb5c..efa0d95 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Add the apt repository and public key to your config, then update and install.
 
 ```
 wget -q https://packages.skpr.io/apt/packages.skpr.io.pub -O- | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/packages.skpr.io.pub > /dev/null
-echo "deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/packages.skpr.io.pub] https://packages.skpr.io/apt stable main" | sudo tee -a /etc/apt/sources.list.d/skpr.list > /dev/null
+echo "deb [arch=amd64v3 signed-by=/etc/apt/trusted.gpg.d/packages.skpr.io.pub] https://packages.skpr.io/apt stable main" | sudo tee -a /etc/apt/sources.list.d/skpr.list > /dev/null
 sudo apt update && sudo apt install skpr
 ```