diff --git a/src/Plivo/BaseClient.php b/src/Plivo/BaseClient.php
index e97c492d..8dc7d345 100644
--- a/src/Plivo/BaseClient.php
+++ b/src/Plivo/BaseClient.php
@@ -168,7 +168,7 @@ public function sendRequest(PlivoRequest $request, $url = null)
         static::$requestCount++;
 
         if (!$plivoResponse->ok()) {
-            return $plivoResponse;
+            throw $plivoResponse->getThrownException();
         }
 
         return $plivoResponse;