diff --git a/test/CodeGen/X86/isint.ll b/test/CodeGen/X86/isint.ll
index 9915bfa8d6b..19e48c7baf1 100644
--- a/test/CodeGen/X86/isint.ll
+++ b/test/CodeGen/X86/isint.ll
@@ -1,4 +1,4 @@
-; llvm-as < %s | llc -march=x86 > %t
+; RUN: llvm-as < %s | llc -march=x86 > %t
 ; not grep cmp %t
 ; not grep xor %t
 ; grep jne %t | count 1