diff --git a/pkgs/by-name/ni/nixos-rebuild-ng/nixos-rebuild.8.scd b/pkgs/by-name/ni/nixos-rebuild-ng/nixos-rebuild.8.scd
index 610549f68204..3e04426ba66a 100644
--- a/pkgs/by-name/ni/nixos-rebuild-ng/nixos-rebuild.8.scd
+++ b/pkgs/by-name/ni/nixos-rebuild-ng/nixos-rebuild.8.scd
@@ -279,7 +279,7 @@ It must be one of the following:
 	attribute path from file specified by the *--file* option. If specified
 	without *--file* option, uses _default.nix_ in current directory.
 
-*--flake* _flake-uri[#name]_
+*--flake* _flake-uri[#name]_, *-F* _flake-uri[#name]_
 	Build the NixOS system from the specified flake. It defaults to the
 	directory containing the target of the symlink _/etc/nixos/flake.nix_,
 	if it exists. The flake must contain an output named
diff --git a/pkgs/by-name/ni/nixos-rebuild-ng/src/nixos_rebuild/__init__.py b/pkgs/by-name/ni/nixos-rebuild-ng/src/nixos_rebuild/__init__.py
index a0e0ebed2f6e..ce7108175f0c 100644
--- a/pkgs/by-name/ni/nixos-rebuild-ng/src/nixos_rebuild/__init__.py
+++ b/pkgs/by-name/ni/nixos-rebuild-ng/src/nixos_rebuild/__init__.py
@@ -100,6 +100,7 @@ def get_parser() -> tuple[argparse.ArgumentParser, dict[str, argparse.ArgumentPa
     )
     main_parser.add_argument(
         "--flake",
+        "-F",
         nargs="?",
         const=True,
         help="Build the NixOS system from the specified flake",