diff --git a/generator/standalone_main.cc b/generator/standalone_main.cc
index 19dd336f3f0ed..d6d04cb60ecc1 100644
--- a/generator/standalone_main.cc
+++ b/generator/standalone_main.cc
@@ -185,8 +185,9 @@ int WriteInstallDirectories(
 
   // TODO(#14402): Consider enhancing the generator_config.proto to allow custom
   //  libs to be specified. OTOH, it may not be needed often enough to justify.
-  install_directories.push_back("./lib64/cmake/google_cloud_cpp_bigquery_job");
-  install_directories.push_back(
+  install_directories.emplace_back(
+      "./lib64/cmake/google_cloud_cpp_bigquery_job");
+  install_directories.emplace_back(
       "./lib64/cmake/google_cloud_cpp_bigquery_job_mocks");
 
   std::sort(install_directories.begin(), install_directories.end());