diff --git a/opensciencegrid/frontier-squid/start-frontier-squid.sh b/opensciencegrid/frontier-squid/start-frontier-squid.sh
index 0b8b065f..ba57ae61 100755
--- a/opensciencegrid/frontier-squid/start-frontier-squid.sh
+++ b/opensciencegrid/frontier-squid/start-frontier-squid.sh
@@ -23,3 +23,7 @@ trap "$STARTSTOPSCRIPT stop" TERM
 export SQUID_START_ARGS="--foreground"
 $STARTSTOPSCRIPT start &
 wait
+
+# Halt the supervisord init process after squid exits
+# Per https://github.com/Supervisor/supervisor/issues/712
+kill -s SIGINT `cat /var/run/supervisord.pid`