diff --git a/ChangeLog b/ChangeLog
index e2f9efe..5d0373f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-05-15  Lucas Rocha  <lucasr@gnome.org>
+
+	* src/tree.c (zenity_tree_dialog_toggle_get_selected): fix index
+	handling for --print-column (Fixes bug #420396).
+
 2007-05-15  Lucas Rocha  <lucasr@gnome.org>
 
 	* configure.ac: make libnotify support an option (Fixes bug #346843).
diff --git a/src/tree.c b/src/tree.c
index 1e67f70..09346e0 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -550,7 +550,7 @@ zenity_tree_dialog_toggle_get_selected (GtkTreeModel *model, GtkTreePath *path,
     }
 
     for (i = 0; print_columns[i] != 0; i++) {
-      gtk_tree_model_get_value (model, iter, print_columns[i], &value);
+      gtk_tree_model_get_value (model, iter, print_columns[i] - 1, &value);
 
       selected = g_slist_append (selected, g_strdup (g_value_get_string (&value)));
       g_value_unset (&value);