diff --git a/nix/hosts/common/default.nix b/nix/hosts/common/default.nix
index 5cd09efe..fa21fc73 100644
--- a/nix/hosts/common/default.nix
+++ b/nix/hosts/common/default.nix
@@ -24,6 +24,8 @@
     settings = {
       auto-optimise-store = true;
 
+      download-buffer-size = "104857600";
+
       experimental-features = [
         "nix-command"
         "flakes"