diff --git a/test/ruby/envutil.rb b/test/ruby/envutil.rb
index 3dafeab038..19290c6f56 100644
--- a/test/ruby/envutil.rb
+++ b/test/ruby/envutil.rb
@@ -94,9 +94,9 @@ module EnvUtil
     end
     stderr, $stderr, verbose, $VERBOSE = $stderr, stderr, $VERBOSE, true
     yield stderr
+    return $stderr
   ensure
     stderr, $stderr, $VERBOSE = $stderr, stderr, verbose
-    return stderr
   end
   module_function :verbose_warning