diff --git a/hosts/rpi4/services.nix b/hosts/rpi4/services.nix
index 2b859b2..edaefdf 100644
--- a/hosts/rpi4/services.nix
+++ b/hosts/rpi4/services.nix
@@ -471,6 +471,7 @@ in
       extraConfig = {
         prefetch = true;
         prefetchStorage = true;
+        prefetchMaxImageSize = 8192;
       };
     };