diff --git a/avocado/core/test.py b/avocado/core/test.py
index cbab55f68dc3875d3f4f225bbbfe59814fb28ba6..3021d3ab9da9a99542ced385ee615f993f6e519d 100644
--- a/avocado/core/test.py
+++ b/avocado/core/test.py
@@ -456,7 +456,8 @@ class Test(unittest.TestCase):
             stacktrace.log_message('Local variables:', logger='avocado.test')
             local_vars = inspect.trace()[1][0].f_locals
             for key, value in local_vars.iteritems():
-                stacktrace.log_message(' -> %s: %s' % (key, value),
+                stacktrace.log_message(' -> %s %s: %s'
+                                       % (key, type(value), value),
                                        logger='avocado.test')
         finally:
             try: