diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index 762036a1635a08..d55496fb0561b5 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -1446,4 +1446,10 @@ def test_sh_env
     }
   end if File.executable?("/bin/sh")
 
+  def test_sh_exec
+    IO.popen("exec echo exexexec") {|f|
+      assert_equal("exexexec\n", f.read)
+    }
+  end if File.executable?("/bin/sh")
+
 end