diff --git a/lib/install-nix.sh b/lib/install-nix.sh
index 83a94f1..d884fd3 100755
--- a/lib/install-nix.sh
+++ b/lib/install-nix.sh
@@ -58,7 +58,6 @@ do
   sleep 1
 done
 
-chmod +x "$workdir/install"
 sh "$workdir/install" "${installer_options[@]}"
 
 if [[ $OSTYPE =~ darwin ]]; then