diff --git a/ApplicationInsights/Telemetry_Client.php b/ApplicationInsights/Telemetry_Client.php
index 2b29989..1f18849 100644
--- a/ApplicationInsights/Telemetry_Client.php
+++ b/ApplicationInsights/Telemetry_Client.php
@@ -279,5 +279,6 @@ public function trackException(\Exception $ex, $properties = NULL, $measurements
     public function flush()
     {
         $this->_channel->send();
+        $this->_channel->setQueue([]);
     }
 }
\ No newline at end of file