diff --git a/systems/configuration.nix b/systems/configuration.nix
index 15ab3da..d606003 100644
--- a/systems/configuration.nix
+++ b/systems/configuration.nix
@@ -187,9 +187,10 @@
       connect-timeout = 20;
     };
 
+    # free up to 10 gb when only 1 gb left
     extraOptions = ''
-      min-free = ${toString (100 * 1024 * 1024)}
-      max-free = ${toString (1024 * 1024 * 1024)}
+      min-free = ${toString (1 * 1024 * 1024 * 1024)}
+      max-free = ${toString (10 * 1024 * 1024 * 1024)}
     '';
 
     gc = {