diff --git a/scripts/update-nix b/scripts/update-nix
index b9949c3..c14457e 100755
--- a/scripts/update-nix
+++ b/scripts/update-nix
@@ -2,5 +2,5 @@
 
 cd "$(dirname ${BASH_SOURCE[0]})/.."
 
-sudo nixos-rebuild switch --flake .# $1
+sudo nixos-rebuild switch --impure --flake .# $1
 scripts/commit system