diff --git a/src/main/java/com/amplitude/HttpTransport.java b/src/main/java/com/amplitude/HttpTransport.java
index cc3d07a..12f5eb6 100644
--- a/src/main/java/com/amplitude/HttpTransport.java
+++ b/src/main/java/com/amplitude/HttpTransport.java
@@ -434,6 +434,7 @@ public void run() {
           callbackMessage = "Unknown response status.";
         }
       } catch (Exception exception) {
+        callbackMessage = "Error sending events due to the exception: " + exception.getMessage();
         logger.error("Flush Thread Error", Utils.getStackTrace(exception));
         logger.error("Error event payload", events.toString());
       } finally {