diff --git a/test/Assembler/2005-05-05-OpaqueUndefValues.ll b/test/Assembler/2005-05-05-OpaqueUndefValues.ll
index 483a895124e..8cd1419b08b 100644
--- a/test/Assembler/2005-05-05-OpaqueUndefValues.ll
+++ b/test/Assembler/2005-05-05-OpaqueUndefValues.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llvm-dis | llvm-as
+; RUN: llvm-as < %s | llvm-dis | llvm-as > /dev/null
 
 %t = type opaque
 @x = global %t undef