diff --git a/configuration.nix b/configuration.nix
index 2c1cee5..7772b80 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -96,7 +96,7 @@
   # Suspend to RAM/disk when battery is critical
   services.upower = {
     enable = true;
-    percentageCritical = 5;
+    percentageAction = 5;
     criticalPowerAction = "HybridSleep";
   };