diff --git a/test/test_main_sec.py b/test/test_main_sec.py
index 360fe2114e80717c517e6c04c009f972f48f4b22..6e67c173e6ac23447d8a27d5dd4b7dbea2066bcc 100644
--- a/test/test_main_sec.py
+++ b/test/test_main_sec.py
@@ -1,13 +1,14 @@
 from time import sleep
 
-from epics import caget
+from epics import caget, caput
 from helper import change_state, check_readback
 
 class TestMainSec:
     def test_main(self, prefix):
+        caput(prefix + ":MAIN.DISP", 0)
         for state in ["RESET", "INIT"]:
             assert change_state(prefix, state)
-
+        
         assert check_readback(prefix + ":MAIN", 1)
 
         assert check_readback(prefix + ":VMENBL", 1)