diff --git a/gui/builtinItemStatsViews/itemAttributes.py b/gui/builtinItemStatsViews/itemAttributes.py
index 350501e61..20065b6b0 100644
--- a/gui/builtinItemStatsViews/itemAttributes.py
+++ b/gui/builtinItemStatsViews/itemAttributes.py
@@ -19,7 +19,8 @@ class AttributeView(IntEnum):
 
 class ItemParams(wx.Panel):
     def __init__(self, parent, stuff, item, context=None):
-        wx.Panel.__init__(self, parent)
+        # Had to manually set the size here, otherwise column widths couldn't be calculated correctly. See #1878
+        wx.Panel.__init__(self, parent, size=(1000, 1000))
         mainSizer = wx.BoxSizer(wx.VERTICAL)
 
         self.paramList = wx.lib.agw.hypertreelist.HyperTreeList(self, wx.ID_ANY, agwStyle=wx.TR_HIDE_ROOT | wx.TR_NO_LINES | wx.TR_FULL_ROW_HIGHLIGHT | wx.TR_HAS_BUTTONS)
@@ -40,9 +41,6 @@ class ItemParams(wx.Panel):
         if self.stuff is not None:
             self.paramList.AddColumn("Base Value")
 
-        self.paramList.SetMainColumn(0)  # the one with the tree in it...
-        self.paramList.SetColumnWidth(0, 300)
-
         self.m_staticline = wx.StaticLine(self, wx.ID_ANY, wx.DefaultPosition, wx.DefaultSize, wx.LI_HORIZONTAL)
         mainSizer.Add(self.m_staticline, 0, wx.EXPAND)
         bSizer = wx.BoxSizer(wx.HORIZONTAL)
@@ -255,6 +253,9 @@ class ItemParams(wx.Panel):
 
         self.Layout()
 
+        for i in range(self.paramList.GetMainWindow().GetColumnCount()):
+            self.paramList.SetColumnWidth(i, wx.LIST_AUTOSIZE)
+
     def GetData(self, attr):
         info = self.attrInfo.get(attr)
         att = self.attrValues[attr]
@@ -355,6 +356,7 @@ if __name__ == "__main__":
             #item = eos.db.getItem(526)    # Stasis Webifier I
             item = eos.db.getItem(486)  # 200mm AutoCannon I
             #item = eos.db.getItem(200)  # Phased Plasma L
+
             super().__init__(None, title="Test Attribute Window | {} - {}".format(item.ID, item.name), size=(1000, 500))
 
             if 'wxMSW' in wx.PlatformInfo:
@@ -368,6 +370,7 @@ if __name__ == "__main__":
             main_sizer.Add(panel, 1, wx.EXPAND | wx.ALL, 2)
 
             self.SetSizer(main_sizer)
+            self.Layout()
 
     app = wx.App(redirect=False)   # Error messages go to popup window
     top = Frame()
diff --git a/gui/characterEditor.py b/gui/characterEditor.py
index 2b4d59341..643b5963e 100644
--- a/gui/characterEditor.py
+++ b/gui/characterEditor.py
@@ -150,7 +150,7 @@ class CharacterEntityEditor(EntityEditor):
 class CharacterEditor(wx.Frame):
     def __init__(self, parent):
         wx.Frame.__init__(self, parent, id=wx.ID_ANY, title="pyfa: Character Editor", pos=wx.DefaultPosition,
-                          size=wx.Size(640, 600), style=wx.DEFAULT_FRAME_STYLE ^ wx.RESIZE_BORDER)
+                          size=wx.Size(640, 600), style=wx.DEFAULT_FRAME_STYLE ^ wx.RESIZE_BORDER | wx.FRAME_FLOAT_ON_PARENT)
 
         i = wx.Icon(BitmapLoader.getBitmap("character_small", "gui"))
         self.SetIcon(i)
@@ -353,7 +353,7 @@ class SkillTreeView(wx.Panel):
         self.skillBookDirtyImageId = self.imageList.Add(wx.Icon(BitmapLoader.getBitmap("skill_small_red", "gui")))
 
         tree.AppendColumn("Skill")
-        tree.AppendColumn("Level")
+        tree.AppendColumn("Level", align=wx.ALIGN_RIGHT)
         # tree.SetMainColumn(0)
 
         self.root = tree.GetRootItem()
@@ -427,7 +427,8 @@ class SkillTreeView(wx.Panel):
         self.levelChangeMenu.Bind(wx.EVT_MENU, self.changeLevel)
         self.SetSizer(pmainSizer)
 
-        self.Layout()
+        # This cuases issues with GTK, see #1866
+        # self.Layout()
 
     def importSkills(self, evt):