diff --git a/compiler/cpp/src/thrift/generate/t_cpp_generator.cc b/compiler/cpp/src/thrift/generate/t_cpp_generator.cc
index 7e9d9b0..c10d399 100644
--- a/compiler/cpp/src/thrift/generate/t_cpp_generator.cc
+++ b/compiler/cpp/src/thrift/generate/t_cpp_generator.cc
@@ -2476,7 +2476,7 @@
     f_header_ << indent() << service_name_ << style << "Client" << short_suffix << "(" << prot_ptr
 		<< " prot";
 	if (style == "Concurrent") {
-		f_header_ << ", std::shared_ptr<::apache::thrift::async::TConcurrentClientSyncInfo> sync";
+		f_header_ << ", std::shared_ptr< ::apache::thrift::async::TConcurrentClientSyncInfo> sync";
 	}
 	f_header_ << ") ";
 
@@ -2499,7 +2499,7 @@
     f_header_ << indent() << service_name_ << style << "Client" << short_suffix << "(" << prot_ptr
 		<< " iprot, " << prot_ptr << " oprot";
 	if (style == "Concurrent") {
-		f_header_ << ", std::shared_ptr<::apache::thrift::async::TConcurrentClientSyncInfo> sync";
+		f_header_ << ", std::shared_ptr< ::apache::thrift::async::TConcurrentClientSyncInfo> sync";
 	}
 	f_header_ << ") ";
 	
@@ -2659,7 +2659,7 @@
 
     if (style == "Concurrent") {
       f_header_ <<
-        indent() << "std::shared_ptr<::apache::thrift::async::TConcurrentClientSyncInfo> sync_;"<<endl;
+        indent() << "std::shared_ptr< ::apache::thrift::async::TConcurrentClientSyncInfo> sync_;"<<endl;
     }
     indent_down();
   }