diff --git a/src/setup.cc b/src/setup.cc
index 7661417b2e77cde505f0057d2d8d49eacacc1b72..cd1b0ce0cd5cc3ae6a5ea6ed9d989465d237e2f5 100644
--- a/src/setup.cc
+++ b/src/setup.cc
@@ -55,7 +55,7 @@ namespace MUSIC {
     if (MPI::Is_initialized ())
       errorRank (err_MPI_Init);
     maybeProcessMusicArgv (argc, argv);
-#ifdef HAVE_CXX_MPI_INIT_THREAD
+#ifdef HAVE_MPI_INIT_THREAD
     *provided = MPI::Init_thread (argc, argv, required);
 #else
     // Only C version provided in libmpich