diff --git a/env.sh.example b/env.sh.example
index 655feaa..1097af6 100644
--- a/env.sh.example
+++ b/env.sh.example
@@ -5,6 +5,9 @@ export S3URI_LAUNCHPAD_CERT=[REDACTED]
 export LAUNCHPAD_PASSPHRASE_SECRET_NAME=[REDACTED]
 export LAUNCHPAD_URL=[REDACTED]
 
+# Optional: Used in error handling, may not be needed depending on which cumulus version is in use
+export STACK_PREFIX=[REDACTED]
+
 # If your certificate and passphrase are not in AWS
 export LAUNCHPAD_PASSPHRASE=[REDACTED]
 export FS_LAUNCHPAD_CERT=[REDACTED]