diff --git a/functions/imagemagick/index.js b/functions/imagemagick/index.js
index 2e06a0ff02..cc7c65c1b9 100644
--- a/functions/imagemagick/index.js
+++ b/functions/imagemagick/index.js
@@ -28,7 +28,7 @@ const client = new vision.ImageAnnotatorClient();
 // [START functions_imagemagick_analyze]
 // Blurs uploaded images that are flagged as Adult or Violence.
 exports.blurOffensiveImages = (event) => {
-  const object = event.data || event;
+  const object = event.data || event; // Node 6: event.data === Node 8+: event
 
   // Exit if this is a deletion or a deploy event.
   if (object.resourceState === 'not_exists') {
diff --git a/functions/log/index.js b/functions/log/index.js
index 464e9ee70d..f436b39c5d 100644
--- a/functions/log/index.js
+++ b/functions/log/index.js
@@ -96,9 +96,10 @@ function getMetrics (callback) {
 
 // [START functions_log_stackdriver]
 exports.processLogEntry = (data) => {
+  // Node 6: data.data === Node 8+: data
   const dataBuffer = Buffer.from(data.data.data || data.data, 'base64');
-  const logEntry = JSON.parse(dataBuffer.toString('ascii')).protoPayload;
 
+  const logEntry = JSON.parse(dataBuffer.toString('ascii')).protoPayload;
   console.log(`Method: ${logEntry.methodName}`);
   console.log(`Resource: ${logEntry.resourceName}`);
   console.log(`Initiator: ${logEntry.authenticationInfo.principalEmail}`);