diff --git a/src/sugar3/test/unittest.py b/src/sugar3/test/unittest.py
index ea891064..aba715bd 100644
--- a/src/sugar3/test/unittest.py
+++ b/src/sugar3/test/unittest.py
@@ -51,7 +51,7 @@ class UITestCase(unittest.TestCase):
         try:
             yield
         except:
-            uitree.get_root().dump()
+            logging.debug(uitree.get_root().dump())
             raise
         finally:
             process.terminate()