diff --git a/update-nix-system.sh b/update-nix-system.sh
index 23e228b..de3bfe2 100755
--- a/update-nix-system.sh
+++ b/update-nix-system.sh
@@ -4,4 +4,4 @@
 sudo nix flake update 
 
 # Rebuild the system
-./rebuild-nix-system.sh
+. rebuild-nix-system.sh