diff --git a/install/pialert-install.sh b/install/pialert-install.sh
index 34b57319..c452d0b7 100644
--- a/install/pialert-install.sh
+++ b/install/pialert-install.sh
@@ -72,7 +72,9 @@ done
 git config --global --add safe.directory /opt/pialert
 sed -i 's#PIALERT_PATH\s*=\s*'\''/home/pi/pialert'\''#PIALERT_PATH           = '\''/opt/pialert'\''#' /opt/pialert/config/pialert.conf
 sed -i 's/~/\/opt/g' /opt/pialert/install/pialert.cron
+set +e
 (crontab -l 2>/dev/null; cat /opt/pialert/install/pialert.cron) | crontab -
+set -e
 cp -R /opt/pialert/install/pialert_update.sh /usr/bin/update
 sed -i 's/~/\/opt/g' /usr/bin/update
 chmod +x /usr/bin/update