diff --git a/justfile b/justfile
index 952fcb8..a7404ef 100644
--- a/justfile
+++ b/justfile
@@ -1107,7 +1107,7 @@ _packages_json:
 _a_system:
     #!/usr/bin/env -S bash -euo pipefail
     if [[ -n "${JUST_SYSTEM:-}" ]]; then
-        printf "%s\n" "$JUST_SYSTEM" | head -n1
+        head <<<"$JUST_SYSTEM" -n1
         exit 0
     fi
     # nix eval --file master/default.nix lib.systems.flakeExposed --json | jq .[] -r | xargs {{XARGS_NL}} gum choose --selected "$(just _this_system)"
@@ -1122,7 +1122,7 @@ _a_system:
 _some_systems:
     #!/usr/bin/env -S bash -euo pipefail
     if [[ -n "${JUST_SYSTEM:-}" ]]; then
-        printf "%s\n" "$JUST_SYSTEM"
+        cat <<<"$JUST_SYSTEM"
         exit 0
     fi
     # nix eval {{NIX_EVAL_OPTS}} --file master/default.nix lib.systems.flakeExposed --json | jq .[] -r | xargs {{XARGS_NL}} gum choose --no-limit --selected "$(just _this_system)"