diff --git a/hosts/buildbot/default.nix b/hosts/buildbot/default.nix
index 5748069..6fea50b 100755
--- a/hosts/buildbot/default.nix
+++ b/hosts/buildbot/default.nix
@@ -28,7 +28,7 @@
   bagel.services.buildbot = {
     enable = true;
     domain = "buildbot.forkos.org";
-    builders = [ "builder-3" ];
+    builders = [ "builder-11" ];
   };
 
   i18n.defaultLocale = "en_US.UTF-8";
diff --git a/services/baremetal-builder/default.nix b/services/baremetal-builder/default.nix
index 3fc32ca..74af67f 100644
--- a/services/baremetal-builder/default.nix
+++ b/services/baremetal-builder/default.nix
@@ -156,8 +156,8 @@ in
       script = ''
         while : ; do
           percent_filled=$(($(stat -f --format="100-(100*%a/%b)" /mnt)))
-          if [ "$percent_filled" -gt "85" ]; then
-            ${config.nix.package.out}/bin/nix-store --gc --max-freed 100G --store /mnt
+          if [ "$percent_filled" -gt "54" ]; then
+            ${config.nix.package.out}/bin/nix-store --gc --max-freed 50G --store /mnt
           else
             break
           fi