diff --git a/tools/rundaca2.py b/tools/rundaca2.py
index 483854c97..5f52a6123 100644
--- a/tools/rundaca2.py
+++ b/tools/rundaca2.py
@@ -4,6 +4,7 @@ import subprocess
 import pexpect
 import os
 import sys
+import time
 
 START = 0
 PASSWORD = ''