Index: gimageview/trunk/src/gimv_prefs_win.c
===================================================================
--- gimageview/trunk/src/gimv_prefs_win.c	(revision 1193)
+++ gimageview/trunk/src/gimv_prefs_win.c	(working copy)
@@ -421,11 +421,15 @@
    GtkTreeModel *model;
    GtkTreeIter iter;
    GimvPrefsWinPagePrivate *priv;
-
+   gboolean has_selected;
+   
    g_return_if_fail (treeview);
 
    selection = gtk_tree_view_get_selection (treeview);
-   gtk_tree_selection_get_selected (selection, &model, &iter);
+   has_selected = gtk_tree_selection_get_selected (selection, &model, &iter);
+   if (!has_selected)
+      return;
+   
    gtk_tree_model_get (model, &iter,
                        COLUMN_PRIV_DATA, &priv,
                        COLUMN_TERMINATOR);