diff --git a/build/proof-params/paramfetch.sh b/build/proof-params/paramfetch.sh
index 6b28a90ed..4cc4b031c 100755
--- a/build/proof-params/paramfetch.sh
+++ b/build/proof-params/paramfetch.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -euo pipefail
+
 IPGET_PARAMS="--node=spawn -p=/ip4/138.201.67.219/tcp/4002/ws/ipfs/QmUd6zHcbkbcs7SMxwLs48qZVX3vpcM8errYS7xEczwRMA -p=/ip4/138.201.67.218/tcp/4002/ws/ipfs/QmbVWZQhCGrS7DhgLqWbgvdmKN7JueKCREVanfnVpgyq8x -p=/ip4/94.130.135.167/tcp/4002/ws/ipfs/QmUEMvxS2e7iDrereVYc5SWPauXPyNwxcy9BXZrC1QTcHE -p=/ip4/138.201.68.74/tcp/4001/ipfs/QmdnXwLrC8p1ueiq2Qya8joNvk3TVVDAut7PrikmZwubtR -p=/ip4/138.201.67.220/tcp/4001/ipfs/QmNSYxZAiJHeLdkBg38roksAR9So7Y5eojks1yjEcUtZ7i"
 OUT_DIR="/var/tmp/filecoin-proof-parameters"
 PARAMS="build/proof-params/parameters.json"