diff --git a/src/user-data b/src/user-data
index afaaa7a..e679da0 100644
--- a/src/user-data
+++ b/src/user-data
@@ -17,7 +17,7 @@ users:
 apt:
   sources:
     rudefox.list:
-      source: "deb https://repo.rudefox.io/repository/apt-release focal main"
+      source: "deb [arch=all] https://repo.rudefox.io/repository/apt-release focal main"
       key: |
         -----BEGIN PGP PUBLIC KEY BLOCK-----