diff --git a/php/list_streams.php b/php/list_streams.php
index 13ca5fe0..b5df3ab4 100644
--- a/php/list_streams.php
+++ b/php/list_streams.php
@@ -56,7 +56,7 @@
     }
     $htmlBody .= '</ul>';
 
-  } catch (Google_ServiceException $e) {
+  } catch (Google_Service_Exception $e) {
     $htmlBody .= sprintf('<p>A service error occurred: <code>%s</code></p>',
         htmlspecialchars($e->getMessage()));
   } catch (Google_Exception $e) {