diff --git a/tests/integration/_common.sh b/tests/integration/_common.sh
index dbc473728..71d745d93 100755
--- a/tests/integration/_common.sh
+++ b/tests/integration/_common.sh
@@ -23,7 +23,7 @@ letsencrypt_test () {
         --no-redirect \
         --agree-dev-preview \
         --agree-tos \
-        --email "" \
+        --register-unsafely-without-email \
         --renew-by-default \
         --debug \
         -vvvvvvv \