1 files changed, 1 insertions, 1 deletions
diff --git a/tool/merger.rb b/tool/merger.rb
index 5f48f2eeca..56b7b4a068 100755
--- a/tool/merger.rb
+++ b/tool/merger.rb
@@ -222,7 +222,7 @@ class << Merger
 
   def svn_mode?
     return @svn_mode if defined?(@svn_mode)
-    @svn_mode = system("svn info > #{IO::NULL} 2>&1")
+    @svn_mode = system("svn info", %i(out err) => IO::NULL)
   end
 
   # Prints the version of Ruby found in version.h