diff --git a/IoTCIntegration/lib/engine.js b/IoTCIntegration/lib/engine.js
index 19d91eb..b34cc8e 100644
--- a/IoTCIntegration/lib/engine.js
+++ b/IoTCIntegration/lib/engine.js
@@ -87,7 +87,7 @@ function validateMeasurements(measurements) {
  * @returns true if a measurement is a location.
  */
 function isLocation(measurement) {
-    if (typeof measurement !== 'object' || typeof measurement.lat !== 'number' || typeof measurement.lon !== 'number') {
+    if (!measurement || typeof measurement !== 'object' || typeof measurement.lat !== 'number' || typeof measurement.lon !== 'number') {
         return false;
     }
 
diff --git a/README.md b/README.md
index e0e45f8..56732fe 100644
--- a/README.md
+++ b/README.md
@@ -250,7 +250,7 @@ Function. You can check the integrity of the code being deployed by verifying th
 of the `iotc-bridge-az-function.zip` file in the root of this repository matches the following:
 
 ```
-9686CE97CD8A7C5DF71CEC11BFC1817DBC96A5D0D52C6F9068CDFA1872204DC6
+EAEF80420054196F05F7D36E436BA168AF5DCD7A6E31753C8A86F71607C39312
 ```
 
 # Contributing
diff --git a/iotc-bridge-az-function.zip b/iotc-bridge-az-function.zip
index e834107..1e013c0 100644
Binary files a/iotc-bridge-az-function.zip and b/iotc-bridge-az-function.zip differ