diff --git a/llvm/test/Transforms/Mem2Reg/2002-03-28-UninitializedVal.ll b/llvm/test/Transforms/Mem2Reg/2002-03-28-UninitializedVal.ll
index 1c881b95156d..b0d2c7913363 100644
--- a/llvm/test/Transforms/Mem2Reg/2002-03-28-UninitializedVal.ll
+++ b/llvm/test/Transforms/Mem2Reg/2002-03-28-UninitializedVal.ll
@@ -1,6 +1,6 @@
 ; Uninitialized values are not handled correctly.
 ;
-; RUN: llvm-as < %s | opt -mem2reg
+; RUN: llvm-as < %s | opt -mem2reg -disable-output
 ;
 
 define i32 @test() {