diff --git a/src/LCRmeter-HP_4284A/main.py b/src/LCRmeter-HP_4284A/main.py
index ce6aec08..463ffaff 100644
--- a/src/LCRmeter-HP_4284A/main.py
+++ b/src/LCRmeter-HP_4284A/main.py
@@ -165,9 +165,6 @@ def get_GUIparameter(self, parameter: dict) -> None:  # noqa: N802
             self.use_list_sweep = True
             self.handle_list_sweep_parameter(parameter)
 
-            self.variables.append("Time")
-            self.units.append("s")
-
     def handle_bias_mode(self) -> None:
         """Choose the bias mode from sweepmode, stepmode, or ValueTypeBias."""
         if self.sweepmode.startswith("Voltage"):
@@ -245,6 +242,12 @@ def handle_list_sweep_parameter(self, parameter: dict) -> None:
         if parameter["ListSweepDual"]:
             self.list_sweep_values = np.append(self.list_sweep_values, self.list_sweep_values[::-1])
 
+        # Add time staps to return values
+        self.variables.append("Time")
+        self.units.append("s")
+        self.plottype.append(True)
+        self.savetype.append(True)
+
     def initialize(self) -> None:
         """Initialize the device."""
         # store the users device setting
diff --git a/src/LCRmeter-Keysight_E498xA/main.py b/src/LCRmeter-Keysight_E498xA/main.py
index 41e6fe6d..84bdb41e 100644
--- a/src/LCRmeter-Keysight_E498xA/main.py
+++ b/src/LCRmeter-Keysight_E498xA/main.py
@@ -167,9 +167,6 @@ def get_GUIparameter(self, parameter: dict) -> None:  # noqa: N802
             self.use_list_sweep = True
             self.handle_list_sweep_parameter(parameter)
 
-            self.variables.append("Time")
-            self.units.append("s")
-
     def handle_bias_mode(self) -> None:
         """Choose the bias mode from sweepmode, stepmode, or ValueTypeBias."""
         if self.sweepmode.startswith("Voltage"):
@@ -247,6 +244,12 @@ def handle_list_sweep_parameter(self, parameter: dict) -> None:
         if parameter["ListSweepDual"]:
             self.list_sweep_values = np.append(self.list_sweep_values, self.list_sweep_values[::-1])
 
+        # Add time staps to return values
+        self.variables.append("Time")
+        self.units.append("s")
+        self.plottype.append(True)
+        self.savetype.append(True)
+
     def initialize(self) -> None:
         """Initialize the device."""
         # store the users device setting