diff --git a/pkgs/build-support/fetchgit/nix-prefetch-git b/pkgs/build-support/fetchgit/nix-prefetch-git
index fa4e504c908..c681be8e4c3 100755
--- a/pkgs/build-support/fetchgit/nix-prefetch-git
+++ b/pkgs/build-support/fetchgit/nix-prefetch-git
@@ -68,7 +68,7 @@ for arg; do
             --leave-dotGit) leaveDotGit=true;;
             --fetch-submodules) fetchSubmodules=true;;
             --builder) builder=true;;
-            --help) usage; exit;;
+            -h|--help) usage; exit;;
             *)
                 : $((++argi))
                 case $argi in