diff --git a/training/tf/chunkparser.py b/training/tf/chunkparser.py
index 240875ef9..544559a87 100644
--- a/training/tf/chunkparser.py
+++ b/training/tf/chunkparser.py
@@ -119,7 +119,8 @@ def __init__(self, chunkdatasrc, shuffle_size=1, sample=1, buffer_size=1, batch_
         for _ in range(workers):
             read, write = mp.Pipe(duplex=False)
             mp.Process(target=self.task,
-                    args=(chunkdatasrc, write)).start()
+                       args=(chunkdatasrc, write),
+                       daemon=True).start()
             self.readers.append(read)
             write.close()
         self.init_structs()