1 files changed, 1 insertions, 1 deletions
diff --git a/php/src/Google/Protobuf/Internal/ServiceDescriptorProto.php b/php/src/Google/Protobuf/Internal/ServiceDescriptorProto.php
index 8de7afd0..f5b4cee5 100644
--- a/php/src/Google/Protobuf/Internal/ServiceDescriptorProto.php
+++ b/php/src/Google/Protobuf/Internal/ServiceDescriptorProto.php
@@ -119,7 +119,7 @@ class ServiceDescriptorProto extends \Google\Protobuf\Internal\Message
      * @param \Google\Protobuf\Internal\ServiceOptions $var
      * @return $this
      */
-    public function setOptions($var)
+    public function setOptions(\Google\Protobuf\Internal\ServiceOptions $var = null)
     {
         GPBUtil::checkMessage($var, \Google\Protobuf\Internal\ServiceOptions::class);
         $this->options = $var;