diff --git a/CHANGELOG.md b/CHANGELOG.md
index c89bd94c..2d5cac2b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,5 @@
 ## placeholder
+* Improve logging for unexpected connection failures in DurableTaskGrpcWorker ([#216](https://github.com/microsoft/durabletask-java/pull/216/files))
 * Add User-Agent Header to gRPC Metadata ([#213](https://github.com/microsoft/durabletask-java/pull/213))
 ## v1.5.0-preview.1
 * Update protobuf definitions to include new properties in OrchestratorRequest and update source commit hash ([#214](https://github.com/microsoft/durabletask-java/pull/214))
diff --git a/client/src/main/java/com/microsoft/durabletask/DurableTaskGrpcWorker.java b/client/src/main/java/com/microsoft/durabletask/DurableTaskGrpcWorker.java
index 89f87a9f..2c4b472d 100644
--- a/client/src/main/java/com/microsoft/durabletask/DurableTaskGrpcWorker.java
+++ b/client/src/main/java/com/microsoft/durabletask/DurableTaskGrpcWorker.java
@@ -191,7 +191,7 @@ else if (requestType == RequestCase.HEALTHPING)
                 } else if (e.getStatus().getCode() == Status.Code.CANCELLED) {
                     logger.log(Level.INFO, "Durable Task worker has disconnected from {0}.", this.getSidecarAddress()); 
                 } else {
-                    logger.log(Level.WARNING, "Unexpected failure connecting to {0}.", this.getSidecarAddress());
+                    logger.log(Level.WARNING, String.format("Unexpected failure connecting to %s", this.getSidecarAddress()), e);
                 }
 
                 // Retry after 5 seconds