diff --git a/compiler/cpp/src/generate/t_alterl_generator.cc b/compiler/cpp/src/generate/t_alterl_generator.cc
index 25a45f2..1981dff 100644
--- a/compiler/cpp/src/generate/t_alterl_generator.cc
+++ b/compiler/cpp/src/generate/t_alterl_generator.cc
@@ -401,6 +401,11 @@
   f_service_file_.open(f_service_name.c_str());
   f_service_hrl_.open(f_service_hrl_name.c_str());
 
+  // Reset service text aggregating stream streams
+  f_service_.str("");
+  export_lines_.str("");
+  export_lines_first_ = true;
+
   hrl_header(f_service_hrl_, service_name_);
 
   if (tservice->get_extends() != NULL) {