diff --git a/iobber/iobber_txt.py b/iobber/iobber_txt.py
index 177872d133bdf8b7718b9178b4b4b6afabdd606a..8bfe14045bb9fe6d5a149bec67f5809f0b52c597 100755
--- a/iobber/iobber_txt.py
+++ b/iobber/iobber_txt.py
@@ -152,6 +152,9 @@ def go():
 					new_par.append(new_sent)
 				# save tagged paragraph
 				writer.write_chunk(new_par)
+			del reader
+			writer.finish()
+			del writer
 	else:
 		sys.stderr.write('Nothing to do. See --help\n')
 if __name__ == '__main__':