diff --git a/pkgs/os-specific/linux/nixos-rebuild/nixos-rebuild.sh b/pkgs/os-specific/linux/nixos-rebuild/nixos-rebuild.sh
index bd314e86a39d..55759722fec5 100755
--- a/pkgs/os-specific/linux/nixos-rebuild/nixos-rebuild.sh
+++ b/pkgs/os-specific/linux/nixos-rebuild/nixos-rebuild.sh
@@ -864,14 +864,14 @@ if [ -z "$rollback" ]; then
                     value = import \"$(realpath $buildFile)\";
                     set = if builtins.isFunction value then value {} else value;
                 in set.${attr:+$attr.}config.system.build.images.$imageVariant.v.passthru.filePath" \
-                "${extraBuildFlags[@]}"
+                "${extraBuildFlags[@]}" \
                 | jq -r .
             )"
         elif [[ -z $flake ]]; then
             imageName="$(
                 runCmd nix-instantiate --eval --strict --json --expr \
                 "with import <nixpkgs/nixos> {}; config.system.build.images.$imageVariant.passthru.filePath" \
-                "${extraBuildFlags[@]}"
+                "${extraBuildFlags[@]}" \
                 | jq -r .
             )"
         else