diff --git a/test/LTO/diagnostic-handler-remarks.ll b/test/LTO/diagnostic-handler-remarks.ll
index bc3ce2541e1..4da9101117e 100644
--- a/test/LTO/diagnostic-handler-remarks.ll
+++ b/test/LTO/diagnostic-handler-remarks.ll
@@ -28,6 +28,8 @@
 ; NM-NOT: foo
 ; NM: main
 
+target triple = "x86_64-apple-darwin"
+
 define i32 @foo() {
   ret i32 7
 }