diff --git a/killstream/create_wait_kill_trans.py b/killstream/create_wait_kill_trans.py
index 408ce7f..75ac9a0 100644
--- a/killstream/create_wait_kill_trans.py
+++ b/killstream/create_wait_kill_trans.py
@@ -119,7 +119,7 @@ def find_sessionID(response):
 
     print(sessions)
     for session in sessions:
-        if session[1] in ignore_lst:
+        if session[1] not in ignore_lst:
             return session
         else:
             print("{}'s stream of {} is ignored.".format(session[1], session[2]))