diff --git a/k8s/images/nginx/download_sigil.sh b/k8s/images/nginx/download_sigil.sh
index d5b8e05e90..a9a3a0ff62 100755
--- a/k8s/images/nginx/download_sigil.sh
+++ b/k8s/images/nginx/download_sigil.sh
@@ -1,4 +1,6 @@
 #!/bin/sh
+set -eou pipefail
+
 export SIGIL_VERSION=0.10.1
 export OS=`sh -c "uname -s | tr '[:upper:]' '[:lower:]'"`
 export ARCH=`sh -c "uname -m | tr '[:upper:]' '[:lower:]' | sed 's/aarch64/arm64/'"`