diff --git a/setup/so-setup b/setup/so-setup
index 51febf59f..2bb97cc16 100755
--- a/setup/so-setup
+++ b/setup/so-setup
@@ -711,7 +711,7 @@ success=$(tail -10 $setup_log | grep Failed | awk '{ print $2}')
 if [[ $success != 0 ]]; then SO_ERROR=1; fi
 
 # Check entire setup log for errors or unexpected salt states and ensure cron jobs are not reporting errors to root's mailbox
-if grep -q -E "ERROR|Result: False" $setup_log || [[ -s /var/spool/mail/root ]]; then SO_ERROR=1; fi
+if grep -q -E "ERROR|Result: False" $setup_log || [[ -s /var/spool/mail/root && "$setup_type" == "iso" ]]; then SO_ERROR=1; fi
 
 if [[ -n $SO_ERROR ]]; then 
 	echo "Errors detected during setup; skipping post-setup steps to allow for analysis of failures." >> $setup_log 2>&1