diff --git a/package-lock.json b/package-lock.json
index c6506c8b..3d1d4868 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "aws-lambda-stream",
-  "version": "1.0.33",
+  "version": "1.0.34",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "aws-lambda-stream",
-      "version": "1.0.33",
+      "version": "1.0.34",
       "license": "MIT",
       "dependencies": {
         "object-sizeof": "^2.6.0"
diff --git a/package.json b/package.json
index e964cab3..51f0f3f5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aws-lambda-stream",
-  "version": "1.0.33",
+  "version": "1.0.34",
   "description": "Create stream processors with AWS Lambda functions.",
   "keywords": [
     "aws",
diff --git a/src/faults/index.js b/src/faults/index.js
index 1c1e8140..6b579e25 100644
--- a/src/faults/index.js
+++ b/src/faults/index.js
@@ -87,7 +87,7 @@ const logErr = (err) => {
       console.error(JSON.stringify({
         errorMessage: err.message,
         errorType: err.name,
-        pipeline: err.uow.pipeline || 'undefined',
+        pipeline: err.uow?.pipeline || 'undefined',
         handled: err.uow !== undefined,
         retryable: err.retryable,
         stackTrace: err.stack,