diff --git a/modules/programs/git-credential-oauth.nix b/modules/programs/git-credential-oauth.nix
index 4833e806..1f4b9924 100644
--- a/modules/programs/git-credential-oauth.nix
+++ b/modules/programs/git-credential-oauth.nix
@@ -12,13 +12,26 @@ in {
       enable = lib.mkEnableOption "Git authentication handler for OAuth";
 
       package = lib.mkPackageOption pkgs "git-credential-oauth" { };
+
+      extraFlags = lib.mkOption {
+        type = lib.types.listOf lib.types.str;
+        default = [ ];
+        example = lib.literalExpression ''[ "-device" ]'';
+        description = ''
+          Extra command-line arguments passed to git-credential-oauth.
+
+          For valid arguments, see {manpage}`git-credential-oauth(1)`.
+        '';
+      };
     };
   };
 
   config = lib.mkIf cfg.enable {
     home.packages = [ cfg.package ];
 
-    programs.git.extraConfig.credential.helper =
-      [ "${cfg.package}/bin/git-credential-oauth" ];
+    programs.git.extraConfig.credential.helper = [
+      ("${cfg.package}/bin/git-credential-oauth" + lib.mkIf cfg.extraFlags
+        " ${lib.strings.concatStringsSep " " cfg.extraFlags}")
+    ];
   };
 }