diff --git a/src/dialogs.py b/src/dialogs.py
index 508891e76a6edc3a0a19354981b6bb5e2a6044e9..7ce09bfe52ada08da12fefa4f2986c2a890e1a54 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -119,12 +119,14 @@ class EditGroupsDialog:
 			else:
 				store.set(iter, 1, False)
 		column = gtk.TreeViewColumn(_('Group'))
+		column.set_expand(True)
 		self.list.append_column(column)
 		renderer = gtk.CellRendererText()
 		column.pack_start(renderer)
 		column.set_attributes(renderer, text = 0)
 		
 		column = gtk.TreeViewColumn(_('In the group'))
+		column.set_expand(False)
 		self.list.append_column(column)
 		renderer = gtk.CellRendererToggle()
 		column.pack_start(renderer)