diff --git a/Domain/Collector/To_Disk.py b/Domain/Collector/To_Disk.py
index d131be2f..70456e03 100644
--- a/Domain/Collector/To_Disk.py
+++ b/Domain/Collector/To_Disk.py
@@ -17,6 +17,7 @@
 import random
 from decimal import *
 import os
+import tempfile
 
 def append_new_line(file_name, text_to_append):
 	"""Append given text as a new line at the end of file"""