diff --git a/superxas_bec/devices/test_script_ophyd.py b/superxas_bec/devices/test_script_ophyd.py
index 863c403..0b2f783 100644
--- a/superxas_bec/devices/test_script_ophyd.py
+++ b/superxas_bec/devices/test_script_ophyd.py
@@ -11,7 +11,7 @@ class DummyDevice(Device):
     """
 
     i_0 = Cpt(EpicsSignalRO, "ES1-SAI_01:MEAN", doc="I0 signal")
-    trigger = Cpt(EpicsSignal, "ES1:SMPL", doc="Trigger signal")
+    trigger_smpl = Cpt(EpicsSignal, "ES1:SMPL", doc="Trigger signal")
     trigger_done = Cpt(EpicsSignalRO, "ES1:SMPL-DONE", auto_monitor=True, doc="Trigger done signal")
 
     xmap_start = Cpt(EpicsSignal, "SITORO:EraseStart", doc="XMAP start signal")
@@ -49,7 +49,7 @@ if __name__ == "__main__":
         status.wait(timeout=5)
 
         status2 = SubscriptionStatus(device.trigger_done, state_changed_callback)
-        device.trigger.put(1)
+        device.trigger_smpl.put(1)
         status2.wait(timeout=5)
 
         status3 = SubscriptionStatus(device.xmap_acquiring, state_changed_callback)