diff --git a/test/CodeGen/X86/fast-cc-tail-call.ll b/test/CodeGen/X86/fast-cc-tail-call.ll
index 5a7d88d75bb..34ce5fd4c3f 100644
--- a/test/CodeGen/X86/fast-cc-tail-call.ll
+++ b/test/CodeGen/X86/fast-cc-tail-call.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -x86-asm-syntax=intel -enable-x86-fastcc | not grep call
+; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=intel -enable-x86-fastcc | not grep call
 
 fastcc int %bar(int %X, int(double, int) *%FP) {
      %Y = tail call fastcc int %FP(double 0.0, int %X)