diff --git a/ansible/files/bin/start-coturn.sh b/ansible/files/bin/start-coturn.sh
index 75d3db0..fe61f3d 100644
--- a/ansible/files/bin/start-coturn.sh
+++ b/ansible/files/bin/start-coturn.sh
@@ -5,8 +5,8 @@ if [ "$SNIKKET_TWEAK_TURNSERVER" = "0" ]; then
 	exit 0;
 fi
 
-CERTFILE="/snikket/letsencrypt/live/$SNIKKET_DOMAIN/fullchain.pem";
-KEYFILE="/snikket/letsencrypt/live/$SNIKKET_DOMAIN/privkey.pem";
+CERTFILE="${SNIKKET_CERTFILE:-/snikket/letsencrypt/live/$SNIKKET_DOMAIN/fullchain.pem}";
+KEYFILE="${SNIKKET_KEYFILE:-/snikket/letsencrypt/live/$SNIKKET_DOMAIN/privkey.pem}";
 
 echo "Waiting for certificates to become available..."
 while ! test -f "$CERTFILE" -a -f "$KEYFILE"; do