diff --git a/src/main/java/com/amazon/sqs/javamessaging/AmazonSQSMessagingClientWrapper.java b/src/main/java/com/amazon/sqs/javamessaging/AmazonSQSMessagingClientWrapper.java
index bc4ca04..3c82b4b 100644
--- a/src/main/java/com/amazon/sqs/javamessaging/AmazonSQSMessagingClientWrapper.java
+++ b/src/main/java/com/amazon/sqs/javamessaging/AmazonSQSMessagingClientWrapper.java
@@ -377,7 +377,7 @@ private JMSException handleException(SdkException e, String operationName) {
     }
 
     private static String errorCode(AwsServiceException e) {
-        return e.awsErrorDetails() != null ? e.awsErrorDetails().errorCode() : "";
+        return e.awsErrorDetails() != null && e.awsErrorDetails().errorCode() != null ? e.awsErrorDetails().errorCode() : "";
     }