diff --git a/scripts/sequoia-nixbld-user-migration.sh b/scripts/sequoia-nixbld-user-migration.sh
index 12c736d8e..88e801706 100755
--- a/scripts/sequoia-nixbld-user-migration.sh
+++ b/scripts/sequoia-nixbld-user-migration.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -eo pipefail
+
 ((NEW_NIX_FIRST_BUILD_UID=351))
 ((TEMP_NIX_FIRST_BUILD_UID=31000))