diff --git a/salt/osfamilymap.yaml b/salt/osfamilymap.yaml
index 7f31b24..327470c 100644
--- a/salt/osfamilymap.yaml
+++ b/salt/osfamilymap.yaml
@@ -20,7 +20,7 @@
 {%-   set rootuser = salt['cmd.run']("stat -f '%Su' /dev/console") %}
 {%-   set rootgroup = salt['cmd.run']("stat -f '%Sg' /dev/console") %}
 {%- elif grains.os_family == 'Windows' %}
-{%-   set rootuser = salt['cmd.run']("id -un") %}
+{%-   set rootuser = salt['cmd.run']("whoami").split("\\")[1] %}
 {%- endif %}