diff --git a/avocado/utils/process.py b/avocado/utils/process.py
index 517e34d90c24181e88969a82bf2845e5e887a716..9a00d6328801cbf853b1e1491746d3d23a5c0b93 100644
--- a/avocado/utils/process.py
+++ b/avocado/utils/process.py
@@ -418,7 +418,7 @@ class FDDrainer(object):
                 # and other logging handlers (custom ones?) also have
                 # the same interface, so let's try to use it if available
                 stream = getattr(handler, 'stream', None)
-                if stream is not None:
+                if (stream is not None) and (not stream.closed):
                     os.fsync(stream.fileno())
                 if hasattr(handler, 'close'):
                     handler.close()