diff --git a/pkgs/applications/version-management/git-and-tools/git/default.nix b/pkgs/applications/version-management/git-and-tools/git/default.nix
index 074bcd6c289a..c22b358189da 100644
--- a/pkgs/applications/version-management/git-and-tools/git/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git/default.nix
@@ -50,6 +50,13 @@ stdenv.mkDerivation {
         chmod +x $1
       }
 
+      # Install git-subtree.
+      pushd contrib/subtree
+      make
+      make install install-doc
+      popd
+      rm -rf contrib/subtree
+
       # Install contrib stuff.
       mkdir -p $out/share/git
       mv contrib $out/share/git/