diff --git a/integration/tests.sh b/integration/tests.sh
index 069a98b..d480c40 100755
--- a/integration/tests.sh
+++ b/integration/tests.sh
@@ -43,6 +43,7 @@ OIDC_CLIENT_ID=""
 OIDC_CLIENT_SECRET=""
 
 wait_for_env() {
+	curl $MAILDEV_URL || true
 	python -m integration \
 		check_env $GITEA_URL $DASHBOARD_URL $MAILDEV_URL
 }