1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/nix-collect-garbage.in b/scripts/nix-collect-garbage.in
index bd186022095c..28b0c749f125 100755
--- a/scripts/nix-collect-garbage.in
+++ b/scripts/nix-collect-garbage.in
@@ -16,6 +16,8 @@ for my $arg (@ARGV) {
         $removeOld = 1;
     } elsif ($arg eq "--dry-run") {
         $dryRun = 1;
+    } elsif ($arg eq "--help") {
+        exec "man nix-collect-garbage" or die;
     } else {
         push @args, $arg;
     }