diff --git a/gui/wxpython/psmap/dialogs.py b/gui/wxpython/psmap/dialogs.py
index ed6d84cb5c8..0a05b4562ed 100644
--- a/gui/wxpython/psmap/dialogs.py
+++ b/gui/wxpython/psmap/dialogs.py
@@ -1963,16 +1963,14 @@ def OnProperties(self, event):
             id = self.vectorList[pos][2]
 
             dlg = VPropertiesDialog(
-                self,
+                self.parent,
                 id=id,
-                settings=self.instruction,
-                env=self.env,
                 vectors=self.vectorList,
                 tmpSettings=self.tmpDialogDict[id],
             )
-            dlg.ShowModal()
-
-            self.parent.FindWindowById(wx.ID_OK).SetFocus()
+            if dlg.ShowModal() == wx.ID_OK:
+                dlg.update()
+            dlg.Destroy()
 
     def enableButtons(self, enable=True):
         """Enable/disable up, down, properties, delete buttons"""
@@ -2124,20 +2122,16 @@ def updateDialog(self):
         pass
 
 
-class VPropertiesDialog(PsmapDialog):
-    def __init__(self, parent, id, settings, vectors, tmpSettings, env):
-        PsmapDialog.__init__(
+class VPropertiesDialog(Dialog):
+    def __init__(self, parent, id, vectors, tmpSettings):
+        Dialog.__init__(
             self,
             parent=parent,
-            id=id,
-            title="",
-            settings=settings,
-            env=env,
-            apply=False,
         )
 
         vectorList = vectors
         self.vPropertiesDict = tmpSettings
+        self.spinCtrlSize = (65, -1)
 
         # determine map and its type
         for item in vectorList:
@@ -2195,6 +2189,26 @@ def __init__(self, parent, id, settings, vectors, tmpSettings, env):
 
         self._layout(notebook)
 
+    def _layout(self, panel):
+        # buttons
+        btnCancel = Button(self, wx.ID_CANCEL)
+        btnOK = Button(self, wx.ID_OK)
+        btnOK.SetDefault()
+
+        # sizers
+        btnSizer = wx.StdDialogButtonSizer()
+        btnSizer.AddButton(btnCancel)
+        btnSizer.AddButton(btnOK)
+        btnSizer.Realize()
+
+        mainSizer = wx.BoxSizer(wx.VERTICAL)
+        mainSizer.Add(panel, proportion=1, flag=wx.EXPAND | wx.ALL, border=5)
+        mainSizer.Add(btnSizer, proportion=0, flag=wx.EXPAND | wx.ALL, border=5)
+
+        self.SetSizer(mainSizer)
+        mainSizer.Layout()
+        mainSizer.Fit(self)
+
     def _DataSelectionPanel(self, notebook):
         panel = Panel(
             parent=notebook, id=wx.ID_ANY, size=(-1, -1), style=wx.TAB_TRAVERSAL
@@ -2924,9 +2938,7 @@ def _StyleLinePanel(self, notebook):
 
         styleText = StaticText(panel, id=wx.ID_ANY, label=_("Choose line style:"))
         penStyles = ["solid", "dashed", "dotted", "dashdotted"]
-        self.styleCombo = PenStyleComboBox(
-            panel, choices=penStyles, validator=TCValidator(flag="ZERO_AND_ONE_ONLY")
-        )
+        self.styleCombo = PenStyleComboBox(panel, choices=penStyles)
         # self.styleCombo = wx.ComboBox(panel, id = wx.ID_ANY,
         ##                            choices = ["solid", "dashed", "dotted", "dashdotted"],
         # validator = TCValidator(flag = 'ZERO_AND_ONE_ONLY'))
@@ -3287,10 +3299,6 @@ def update(self):
 
             self.vPropertiesDict["linecap"] = self.linecapChoice.GetStringSelection()
 
-    def OnOK(self, event):
-        self.update()
-        event.Skip()
-
 
 class LegendDialog(PsmapDialog):
     def __init__(self, parent, id, settings, page, env):