diff --git a/hosts/common/nix.nix b/hosts/common/nix.nix
index badfbf51..4a923aa3 100644
--- a/hosts/common/nix.nix
+++ b/hosts/common/nix.nix
@@ -22,6 +22,7 @@
     enable = true;
     allowReboot = true;
     dates = "02:00";
+    flags = ["--accept-flake-config"];
     flake = config.environment.variables.FLAKE;
     operation = "switch";
     persistent = true;