diff --git a/recOrder/plugin/main_widget.py b/recOrder/plugin/main_widget.py
index 402d28d2..8e73592a 100644
--- a/recOrder/plugin/main_widget.py
+++ b/recOrder/plugin/main_widget.py
@@ -922,7 +922,7 @@ def connect_to_mm(self):
         loaded_devices = [_devices.get(i) for i in range(_devices.size())]
         if LC_DEVICE_NAME in loaded_devices:
             config_desc = self.mmc.getConfigData(
-                "Channel", "State0"
+                self.config_group, "State0"
             ).getVerbose()
             if "String send to" in config_desc:
                 self.calib_mode = "MM-Retardance"