diff --git a/src/compiler/objective_c_plugin.cc b/src/compiler/objective_c_plugin.cc
index 682d6aa9aa7faf5e5f2f45f3f6d699ea1886e44b..466da4c3b48cdec6009e91337cd52e7cfed7baa1 100644
--- a/src/compiler/objective_c_plugin.cc
+++ b/src/compiler/objective_c_plugin.cc
@@ -59,7 +59,8 @@ class ObjectiveCGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
       return true;
     }
 
-    ::grpc::string file_name = google::protobuf::compiler::objectivec::FilePath(file);
+    ::grpc::string file_name =
+        google::protobuf::compiler::objectivec::FilePath(file);
     ::grpc::string prefix = file->options().objc_class_prefix();
 
     {