diff --git a/servers/php/getroutes.php b/servers/php/getroutes.php
index c418a6f..9eb770f 100644
--- a/servers/php/getroutes.php
+++ b/servers/php/getroutes.php
@@ -16,8 +16,7 @@
                 }
                 $result->close();
             }
-                        
-        } while ($mysqli->next_result());
+        } while ($mysqli->more_results() && $mysqli->next_result());
     }
     else {
         die('error: '  . $mysqli->error);