diff --git a/1-setup.sh b/1-setup.sh
index b9b3f71..4f2ac5b 100644
--- a/1-setup.sh
+++ b/1-setup.sh
@@ -118,7 +118,7 @@ GUAC_USER=""                    # If blank "" default is guacamole_user
 MYSQL_ROOT_PWD=""               # Manadatory entry here or at script prompt
 GUAC_PWD=""                     # Manadatory entry here or at script prompt
 GUACD_ACCOUNT="guacd"           # Service account guacd will run under (and will be very heavily locked down)
-DB_TZ=$(cat /etc/timezone)      # Blank "" defaults to UTC, for local timezone: $(cat /etc/timezone)
+DB_TZ=$(timedatectl show -p Timezone --value) # Blank "" defaults to UTC, for local timezone: $(cat /etc/timezone)
 INSTALL_TOTP=""                 # Add TOTP MFA extension (true/false), can't be installed simultaneously with DUO)
 INSTALL_DUO=""                  # Add DUO MFA extension (true/false, can't be installed simultaneously with TOTP)
 INSTALL_LDAP=""                 # Add Active Directory extension (true/false)