diff --git a/tree_model.py b/tree_model.py
index 12e3474..37dfa17 100644
--- a/tree_model.py
+++ b/tree_model.py
@@ -375,11 +375,10 @@ class NixTreeView(QTreeView):
         self.setSelectionMode(QAbstractItemView.SingleSelection)
 
         header = self.header()
-        header.setStretchLastSection(False)
-        header.setSectionResizeMode(1, QHeaderView.ResizeToContents)
-        header.setSectionResizeMode(2, QHeaderView.ResizeToContents)
-        header.setSectionResizeMode(0, QHeaderView.Stretch)
-        
+        header.setStretchLastSection(True)
+        header.setFirstSectionMovable(False)
+        header.setSectionResizeMode(QHeaderView.ResizeToContents)
+                
     def columnResize(self, index):
         for i in range(len(column_names)):
             self.resizeColumnToContents(i)
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