diff --git a/srcpkgs/nix/template b/srcpkgs/nix/template
index 36cda9f69bc..e634ed49f62 100644
--- a/srcpkgs/nix/template
+++ b/srcpkgs/nix/template
@@ -1,7 +1,7 @@
 # Template file for 'nix'
 pkgname=nix
 version=1.10
-revision=4
+revision=5
 build_style=gnu-configure
 # Use /nix/var as suggested by the official Manual.
 configure_args="--localstatedir=/nix/var"
@@ -13,8 +13,8 @@ makedepends="bzip2-devel libressl-devel sqlite-devel gc-devel libcurl-devel"
 conf_files="/etc/nix/nix.conf"
 # Create required build users/groups.
 system_groups="nixbld"
-system_accounts=
-for f in $(seq 1 9); do
+system_accounts="nixbld1"
+for f in {2..9}; do
 	system_accounts+=" nixbld${f}"
 	eval export nixbld\${f}_pgroup="nixbld"
 done