diff --git a/gui/wxpython/vdigit/dialogs.py b/gui/wxpython/vdigit/dialogs.py
index 27d34601459..369855c94fc 100644
--- a/gui/wxpython/vdigit/dialogs.py
+++ b/gui/wxpython/vdigit/dialogs.py
@@ -252,7 +252,7 @@ def OnEndEdit(self, event):
                 self.cats[self.fid][layerNew] = []
             self.cats[self.fid][layerNew].append(catNew)
             self.cats[self.fid][layerOld].remove(catOld)
-        except:
+        except (KeyError, ValueError, AttributeError):
             event.Veto()
             self.list.SetItem(itemIndex, 0, str(layerNew))
             self.list.SetItem(itemIndex, 1, str(catNew))
diff --git a/gui/wxpython/vdigit/preferences.py b/gui/wxpython/vdigit/preferences.py
index 949b4e5ccae..6174a4d6680 100644
--- a/gui/wxpython/vdigit/preferences.py
+++ b/gui/wxpython/vdigit/preferences.py
@@ -199,7 +199,7 @@ def _createGeneralPage(self, notebook):
             self.snappingUnit.SetSelection(
                 UserSettings.Get(group="vdigit", key="snapping", subkey="unit")
             )
-        except:
+        except KeyError:
             self.snappingUnit.SetSelection(0)
         self.snappingUnit.Bind(wx.EVT_CHOICE, self.OnChangeSnappingUnits)
         flexSizer.Add(text, proportion=0, flag=wx.ALIGN_CENTER_VERTICAL)