diff --git a/src/tools/testing.jam b/src/tools/testing.jam
index 969e95bef..adb3d3e7e 100644
--- a/src/tools/testing.jam
+++ b/src/tools/testing.jam
@@ -1,6 +1,6 @@
 # Copyright 2005 Dave Abrahams
 # Copyright 2002, 2003, 2004, 2005, 2006 Vladimir Prus
-# Copyright 2014 Rene Rivera
+# Copyright 2014-2015 Rene Rivera
 # Copyright 2014 Microsoft Corporation
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
@@ -537,6 +537,7 @@ if [ os.name ] = NT
     .SHELL_SET     = "set " ;
     .CATENATE      = type ;
     .CP            = copy ;
+    .NULLIN        = ;
 }
 else
 {
@@ -550,6 +551,7 @@ else
     .SHELL_SET     = "" ;
     .CATENATE      = cat ;
     .CP            = cp ;
+    .NULLIN        = "<" "/dev/null" ;
 }
 
 
@@ -571,7 +573,7 @@ actions capture-output bind INPUT_FILES output-file
         echo Skipping test execution due to testing.execute=off
         exit 0
     $(.ENDIF)
-    $(LAUNCHER) "$(>)" $(ARGS) "$(INPUT_FILES)" > "$(output-file)" 2>&1
+    $(LAUNCHER) "$(>)" $(ARGS) "$(INPUT_FILES)" > "$(output-file)" 2>&1 $(.NULLIN)
     $(.SET_STATUS)
     $(.RUN_OUTPUT_NL) >> "$(output-file)"
     echo EXIT STATUS: $(.STATUS) >> "$(output-file)"