diff --git a/byos/containers/deploy/deploy.sh b/byos/containers/deploy/deploy.sh
index 9b3224c..1849bb6 100755
--- a/byos/containers/deploy/deploy.sh
+++ b/byos/containers/deploy/deploy.sh
@@ -271,7 +271,7 @@ fi
 
 if "$createAdUsers"; then
     if [[ -z "$azureUserName" ]]; then
-        azureUserName=$(az account show --query user.name -o tsv)
+        azureUserName=$(az ad signed-in-user show --query 'userPrincipalName' -o tsv )
     fi
     domain=$(cut -d "@" -f 2 <<< $azureUserName)