diff --git a/debye_bec/devices/nidaq/nidaq.py b/debye_bec/devices/nidaq/nidaq.py
index 99c9caf..b403570 100644
--- a/debye_bec/devices/nidaq/nidaq.py
+++ b/debye_bec/devices/nidaq/nidaq.py
@@ -406,18 +406,18 @@ class Nidaq(PSIDeviceBase, NidaqControl):
             status.wait(timeout=self.timeout_wait_for_signal)
 
         # If scan is not part of the valid_scan_names,
-        if self.scan_info.msg.scan_name != "nidaq_continuous_scan":
+        if self.scan_info.msg.scan_name != "nidaq_continuous_scan":  # what is the new v4 scan
             self.scan_type.set(ScanType.TRIGGERED).wait(timeout=self._timeout_wait_for_pv)
             self.scan_duration.set(0).wait(timeout=self._timeout_wait_for_pv)
             self.enable_compression.set(1).wait(timeout=self._timeout_wait_for_pv)
         else:
             self.scan_type.set(ScanType.CONTINUOUS).wait(timeout=self._timeout_wait_for_pv)
-            self.scan_duration.set(self.scan_info.msg.scan_parameters["scan_duration"]).wait(
-                timeout=self._timeout_wait_for_pv
-            )
-            self.enable_compression.set(self.scan_info.msg.scan_parameters["compression"]).wait(
-                timeout=self._timeout_wait_for_pv
-            )
+            self.scan_duration.set(
+                self.scan_info.msg.additional_scan_parameters["scan_duration"]
+            ).wait(timeout=self._timeout_wait_for_pv)
+            self.enable_compression.set(
+                self.scan_info.msg.additional_scan_parameters["compression"]
+            ).wait(timeout=self._timeout_wait_for_pv)
 
         # Stage call to IOC
         status = CompareStatus(self.state, NidaqState.STAGE)
@@ -499,7 +499,7 @@ class Nidaq(PSIDeviceBase, NidaqControl):
         Args:
             value (int) : current progress value
         """
-        scan_duration = self.scan_info.msg.scan_parameters.get("scan_duration", None)
+        scan_duration = self.scan_info.msg.additional_scan_parameters.get("scan_duration", None)
         if not isinstance(scan_duration, (int, float)):
             return
         value = scan_duration - value