1 files changed, 1 insertions, 1 deletions
diff --git a/php/src/Google/Protobuf/Internal/FieldDescriptorProto.php b/php/src/Google/Protobuf/Internal/FieldDescriptorProto.php
index e5781975..77b99887 100644
--- a/php/src/Google/Protobuf/Internal/FieldDescriptorProto.php
+++ b/php/src/Google/Protobuf/Internal/FieldDescriptorProto.php
@@ -455,7 +455,7 @@ class FieldDescriptorProto extends \Google\Protobuf\Internal\Message
      * @param \Google\Protobuf\Internal\FieldOptions $var
      * @return $this
      */
-    public function setOptions($var)
+    public function setOptions(\Google\Protobuf\Internal\FieldOptions $var = null)
     {
         GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FieldOptions::class);
         $this->options = $var;