diff --git a/core_tools/GUI/keysight_videomaps/plotter/plotting_functions.py b/core_tools/GUI/keysight_videomaps/plotter/plotting_functions.py
index d5c5f2037b15a43e235c607a1ad5e69c547047fc..648d194b0e3678397d2ae267e5e58029dff502b4 100644
--- a/core_tools/GUI/keysight_videomaps/plotter/plotting_functions.py
+++ b/core_tools/GUI/keysight_videomaps/plotter/plotting_functions.py
@@ -222,7 +222,7 @@ class live_plot(QThread):
     def _read_dc_voltage(self, gate_name):
         if self.gates is not None:
             try:
-                return self.gates.get(gate_name)
+                return self.gates.parameters[gate_name].get()
             except Exception:
                 logging.debug(f'Cannot read DC gate {gate_name}')