diff --git a/test/OpenMP/for_misc_messages.c b/test/OpenMP/for_misc_messages.c
index ab40570e3ea36c5cfa78cedfffef57041fa1f627..8a721807d8dcdfa4003a6b68da347cb8d3f8894a 100644
--- a/test/OpenMP/for_misc_messages.c
+++ b/test/OpenMP/for_misc_messages.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -verify %s
+// RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -triple x86_64-unknown-unknown -verify %s
 
 // expected-error@+1 {{unexpected OpenMP directive '#pragma omp for'}}
 #pragma omp for