diff --git a/gui/control_main.py b/gui/control_main.py
index c08dab53..96a03715 100644
--- a/gui/control_main.py
+++ b/gui/control_main.py
@@ -597,6 +597,7 @@ def createSampleTab(self):
         self.resolution_ledit.textEdited[str].connect(self.resoTextChanged)
         if daq_utils.beamline == "nyx":
             self.resolution_ledit.setEnabled(False)
+            #self.resolution_ledit.setReadOnly(True)
         detDistLabel = QtWidgets.QLabel("Detector Dist.")
         #detDistLabel.setAlignment(QtCore.Qt.AlignCenter)
         detDistRBLabel = QtWidgets.QLabel("Readback:")
@@ -2570,15 +2571,17 @@ def detDistTextChanged(self, text):
         try:
             reso_s = "%.2f" % (
                 daq_utils.calc_reso(
-                    daq_utils.det_radius,
+                    float(daq_utils.det_radius),
                     float(text),
                     daq_utils.energy2wave(float(self.energy_ledit.text())),
                     0,
                 )
             )
-        except ValueError:
+        except ValueError as e:
+            logger.warning(e)
             reso_s = "50.0"
-        except TypeError:
+        except TypeError as t:
+            logger.warning(t)
             reso_s = "50.0"
         self.setGuiValues({"resolution": reso_s})