diff --git a/nixos/modules/services/backup/restic.nix b/nixos/modules/services/backup/restic.nix
index a9330e5d43f2..a7c2ef2eacd5 100644
--- a/nixos/modules/services/backup/restic.nix
+++ b/nixos/modules/services/backup/restic.nix
@@ -374,7 +374,7 @@ in
                 ${resticCmd} cat config > /dev/null || ${resticCmd} init
               ''}
               ${optionalString (backup.paths != null && backup.paths != []) ''
-                cat ${pkgs.writeText "staticPaths" (concatStringsSep "\n" backup.paths)} >> ${filesFromTmpFile}
+                cat ${pkgs.writeText "staticPaths" (concatLines backup.paths)} >> ${filesFromTmpFile}
               ''}
               ${optionalString (backup.dynamicFilesFrom != null) ''
                 ${pkgs.writeScript "dynamicFilesFromScript" backup.dynamicFilesFrom} >> ${filesFromTmpFile}
diff --git a/nixos/tests/restic.nix b/nixos/tests/restic.nix
index 878523ca712b..49631d27ca80 100644
--- a/nixos/tests/restic.nix
+++ b/nixos/tests/restic.nix
@@ -27,6 +27,7 @@ import ./make-test-python.nix (
         echo some_other_file > $out/some_other_file
         mkdir $out/a_dir
         echo a_file > $out/a_dir/a_file
+        echo a_file_2 > $out/a_dir/a_file_2
       '';
     };
 
@@ -62,7 +63,10 @@ import ./make-test-python.nix (
               inherit passwordFile exclude pruneOpts;
               initialize = true;
               repositoryFile = pkgs.writeText "repositoryFile" remoteFromFileRepository;
-              paths = [ "/opt/a_dir" ];
+              paths = [
+                "/opt/a_dir/a_file"
+                "/opt/a_dir/a_file_2"
+              ];
               dynamicFilesFrom = ''
                 find /opt -mindepth 1 -maxdepth 1 ! -name a_dir # all files in /opt except for a_dir
               '';
@@ -144,15 +148,18 @@ import ./make-test-python.nix (
           # test that remote-from-file-backup produces a snapshot
           "systemctl start restic-backups-remote-from-file-backup.service",
           'restic-remote-from-file-backup snapshots --json | ${pkgs.jq}/bin/jq "length | . == 1"',
+          "mkdir /tmp/restore-2",
+          "restic-remote-from-file-backup restore latest -t /tmp/restore-2",
+          "diff -ru ${testDir} /tmp/restore-2/opt",
 
           # test that remote-noinit-backup produces a snapshot
           "systemctl start restic-backups-remote-noinit-backup.service",
           'restic-remote-noinit-backup snapshots --json | ${pkgs.jq}/bin/jq "length | . == 1"',
 
           # test that restoring that snapshot produces the same directory
-          "mkdir /tmp/restore-2",
-          "${pkgs.restic}/bin/restic -r ${remoteRepository} -p ${passwordFile} restore latest -t /tmp/restore-2",
-          "diff -ru ${testDir} /tmp/restore-2/opt",
+          "mkdir /tmp/restore-3",
+          "${pkgs.restic}/bin/restic -r ${remoteRepository} -p ${passwordFile} restore latest -t /tmp/restore-3",
+          "diff -ru ${testDir} /tmp/restore-3/opt",
 
           # test that rclonebackup produces a snapshot
           "systemctl start restic-backups-rclonebackup.service",