diff --git a/sysusers.d/basic.conf.in b/sysusers.d/basic.conf.in
index 39d906ed5fd..0aec080a4cb 100644
--- a/sysusers.d/basic.conf.in
+++ b/sysusers.d/basic.conf.in
@@ -6,6 +6,7 @@
 #  (at your option) any later version.
 
 # The superuser
+g root    0       -            -
 u root    0:0     "Super User" /root
 
 # The nobody user/group for NFS file systems
diff --git a/test/test-sysusers/test-00-basic.expected-group b/test/test-sysusers/test-00-basic.expected-group
new file mode 100644
index 00000000000..0d08ec94b31
--- /dev/null
+++ b/test/test-sysusers/test-00-basic.expected-group
@@ -0,0 +1,19 @@
+root:x:0:
+nobody:x:65534:
+adm:x:999:
+wheel:x:998:
+utmp:x:997:
+audio:x:996:
+cdrom:x:995:
+dialout:x:994:
+disk:x:993:
+input:x:992:
+kmem:x:991:
+kvm:x:990:
+lp:x:989:
+render:x:988:
+sgx:x:987:
+tape:x:986:
+tty:x:5:
+video:x:985:
+users:x:984:
diff --git a/test/test-sysusers/test-00-basic.expected-passwd b/test/test-sysusers/test-00-basic.expected-passwd
new file mode 100644
index 00000000000..e2b2fdf66ff
--- /dev/null
+++ b/test/test-sysusers/test-00-basic.expected-passwd
@@ -0,0 +1,2 @@
+root:x:0:0:Super User:/root:/bin/sh
+nobody:x:65534:65534:Kernel Overflow User:/:NOLOGIN
diff --git a/test/test-sysusers/test-00-basic.input b/test/test-sysusers/test-00-basic.input
new file mode 100644
index 00000000000..3031c6b58b4
--- /dev/null
+++ b/test/test-sysusers/test-00-basic.input
@@ -0,0 +1,41 @@
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+# The superuser
+g root    0       -            -
+u root    0:0     "Super User" /root
+
+# The nobody user/group for NFS file systems
+g nobody 65534    -            -
+u nobody 65534:65534 "Kernel Overflow User"     -
+
+# Administrator group: can *see* more than normal users
+g adm     999     -            -
+
+# Administrator group: can *do* more than normal users
+g wheel   998     -            -
+
+# Access to shared database of users on the system
+g utmp    997     -            -
+
+# Physical and virtual hardware access groups
+g audio   996     -            -
+g cdrom   995     -            -
+g dialout 994     -            -
+g disk    993     -            -
+g input   992     -            -
+g kmem    991     -            -
+g kvm     990     -            -
+g lp      989     -            -
+g render  988     -            -
+g sgx     987     -            -
+g tape    986     -            -
+g tty     5       -            -
+g video   985     -            -
+
+# Default group for normal users
+g users   984     -            -