diff --git a/hexrdgui/overlays/powder_overlay.py b/hexrdgui/overlays/powder_overlay.py
index 663ef698c..5bd6b9183 100644
--- a/hexrdgui/overlays/powder_overlay.py
+++ b/hexrdgui/overlays/powder_overlay.py
@@ -654,7 +654,8 @@ def pinhole_distortion_kwargs(self):
         kwargs = self.tth_distortion_kwargs.copy()
         if self.pinhole_distortion_type == 'RyggPinholeDistortion':
             # Add our absorption length
-            kwargs['absorption_length'] = HexrdConfig().absorption_length()
+            kwargs['absorption_length'] = HexrdConfig(
+                ).absorption_length() * 1e-3
         return kwargs
     # END PolarDistortionObject mixin reroutes
 
diff --git a/hexrdgui/physics_package_manager_dialog.py b/hexrdgui/physics_package_manager_dialog.py
index 4fbcdf791..0e7fde09c 100644
--- a/hexrdgui/physics_package_manager_dialog.py
+++ b/hexrdgui/physics_package_manager_dialog.py
@@ -142,7 +142,7 @@ def setup_form(self):
         self.ui.pinhole_density.setValue(physics.pinhole_density)
         if self.instrument_type == 'PXRDIP':
             self.ui.pinhole_thickness.setValue(70)
-            self.ui.pinhole_diameter.setValue(130)
+            self.ui.pinhole_diameter.setValue(300)
         else:
             self.ui.pinhole_thickness.setValue(physics.pinhole_thickness)
             self.ui.pinhole_diameter.setValue(physics.pinhole_diameter)
diff --git a/hexrdgui/pinhole_correction_editor.py b/hexrdgui/pinhole_correction_editor.py
index b555197bd..af0cd85b6 100644
--- a/hexrdgui/pinhole_correction_editor.py
+++ b/hexrdgui/pinhole_correction_editor.py
@@ -154,6 +154,7 @@ def correction_kwargs(self, v):
         if v is None:
             return
 
+        vp = v.copy()
         # These units are in mm, but we display in micrometers
         for key, value in v.items():
             if key in ('num_phi_elements', 'absorption_length'):
@@ -161,7 +162,7 @@ def correction_kwargs(self, v):
             else:
                 multiplier = 1e3
 
-            v[key] = value * multiplier
+            vp[key] = value * multiplier
 
         physics = HexrdConfig().physics_package
         if physics is None:
@@ -201,7 +202,7 @@ def correction_kwargs(self, v):
         for w_name, (key, value) in values.items():
             if w_name.startswith(widget_prefix):
                 # Extract the value from the dict
-                value = v.get(key, value)
+                value = vp.get(key, value)
 
             w = getattr(self.ui, w_name)
             w.setValue(value)