diff --git a/nextcloud-startup-script.sh b/nextcloud-startup-script.sh
index 13868db0..e76f2306 100644
--- a/nextcloud-startup-script.sh
+++ b/nextcloud-startup-script.sh
@@ -17,7 +17,7 @@ PHPMYADMIN_CONF="/etc/apache2/conf-available/phpmyadmin.conf"
 GITHUB_REPO="https://raw.githubusercontent.com/nextcloud/vm/master"
 STATIC="https://raw.githubusercontent.com/nextcloud/vm/master/static"
 LETS_ENC="https://raw.githubusercontent.com/nextcloud/vm/master/lets-encrypt"
-UNIXUSER=$LOGNAME
+UNIXUSER=$SUDO_USER
 NCPASS=nextcloud
 NCUSER=ncadmin
 
diff --git a/nextcloud_install_production.sh b/nextcloud_install_production.sh
index fb309b7d..e9aa7cac 100644
--- a/nextcloud_install_production.sh
+++ b/nextcloud_install_production.sh
@@ -39,7 +39,7 @@ IFACE=$(lshw -c network | grep "logical name" | awk '{print $3; exit}')
 ADDRESS=$(hostname -I | cut -d ' ' -f 1)
 
 # Linux user, and Nextcloud user
-UNIXUSER=$LOGNAME
+UNIXUSER=$SUDO_USER
 NCPASS=nextcloud
 NCUSER=ncadmin
 
@@ -61,6 +61,19 @@ then
     exit 1
 fi
 
+# Show current user
+echo
+echo "Current user with sudo permissions is: $UNIXUSER".
+echo "This script will set everything up with that user."
+echo "If the field after ":" is blank you are probably running as a pure root user."
+echo "It's possible to install with root, but there will be minor errors."
+
+echo "Please create a user with sudo permissions if you want an optimal installation."
+echo "This script continues in 20 seconds, press CTRL+C to abort..."
+sleep 20
+echo
+
+
 # Prefer IPv4
 sed -i "s|#precedence ::ffff:0:0/96  100|precedence ::ffff:0:0/96  100|g" /etc/gai.conf
 
@@ -128,13 +141,6 @@ then
     exit 1
 fi
 
-# Show current user
-echo
-echo "Current user with sudo permissions is: $UNIXUSER".
-echo "This script will set everything up with that user, FYI."
-sleep 3
-echo
-
 # Create $SCRIPTS dir
 if [ -d $SCRIPTS ]
 then
diff --git a/static/change-ncadmin-profile.sh b/static/change-ncadmin-profile.sh
index 163b13a5..216097bf 100644
--- a/static/change-ncadmin-profile.sh
+++ b/static/change-ncadmin-profile.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-UNIXUSER=$LOGNAME
+UNIXUSER=$SUDO_USER
 UNIXUSER_PROFILE="~/.bash_profile"
 
 rm ~/.profile