diff --git a/aio/aio-builds-setup/dockerbuild/scripts-sh/upload-server-prod.sh b/aio/aio-builds-setup/dockerbuild/scripts-sh/upload-server-prod.sh
index b5c066a886..d061ce9439 100755
--- a/aio/aio-builds-setup/dockerbuild/scripts-sh/upload-server-prod.sh
+++ b/aio/aio-builds-setup/dockerbuild/scripts-sh/upload-server-prod.sh
@@ -2,8 +2,8 @@
 set -eu -o pipefail
 
 # Set up env variables for production
-export AIO_GITHUB_TOKEN=$(head -c -1 /aio-secrets/GITHUB_TOKEN 2>/dev/null)
-export AIO_PREVIEW_DEPLOYMENT_TOKEN=$(head -c -1 /aio-secrets/PREVIEW_DEPLOYMENT_TOKEN 2>/dev/null)
+export AIO_GITHUB_TOKEN=$(head -c -1 /aio-secrets/GITHUB_TOKEN 2>/dev/null || echo "MISSING_GITHUB_TOKEN")
+export AIO_PREVIEW_DEPLOYMENT_TOKEN=$(head -c -1 /aio-secrets/PREVIEW_DEPLOYMENT_TOKEN 2>/dev/null || echo "MISSING_PREVIEW_DEPLOYMENT_TOKEN")
 
 # Start the upload-server instance
 # TODO(gkalpak): Ideally, the upload server should be run as a non-privileged user.