diff options
-rw-r--r-- | lib/types.nix | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/types.nix b/lib/types.nix index 17c1688fa..45c009893 100644 --- a/lib/types.nix +++ b/lib/types.nix @@ -539,7 +539,7 @@ rec { # POSIX.1‐2013, 3.278 Portable Filename Character Set filename = mkOptionType { name = "POSIX filename"; - check = test "([0-9A-Za-z._])[0-9A-Za-z._-]*"; + check = test "[0-9A-Za-z._][0-9A-Za-z._-]*"; merge = mergeOneOption; }; |