diff --git a/sh.py b/sh.py
index fb0f5fe7..06c34357 100644
--- a/sh.py
+++ b/sh.py
@@ -1854,6 +1854,9 @@ def finish():
         if hasattr(handler, "flush"):
             handler.flush()
 
+        if hasattr(handler, "close"):
+            handler.close()
+
     return process, finish
 
 def get_callback_chunk_consumer(handler, encoding, decode_errors):