diff --git a/test/MC/MachO/data.s b/test/MC/MachO/data.s
index 56979b61f24..0ff2854801a 100644
--- a/test/MC/MachO/data.s
+++ b/test/MC/MachO/data.s
@@ -1,4 +1,4 @@
-// RUN: llvm-mc %s -filetype=obj -o - | macho-dump | FileCheck %s
+// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump | FileCheck %s
 
         .data
         .ascii "hello"
diff --git a/test/MC/MachO/sections.s b/test/MC/MachO/sections.s
index 97716025801..27d97826665 100644
--- a/test/MC/MachO/sections.s
+++ b/test/MC/MachO/sections.s
@@ -1,4 +1,4 @@
-// RUN: llvm-mc %s -filetype=obj -o - | macho-dump | FileCheck %s
+// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump | FileCheck %s
 
         .const
         .static_const