diff --git a/test/CodeGen/pointer-arithmetic.c b/test/CodeGen/pointer-arithmetic.c
index 6b4de91..3133c9e 100644
--- a/test/CodeGen/pointer-arithmetic.c
+++ b/test/CodeGen/pointer-arithmetic.c
@@ -1,4 +1,4 @@
-// RUN: clang -emit-llvm %s
+// RUN: clang -emit-llvm %s -o %t
 
 typedef int Int;