(run_treeview_dialog) fix for unreproductable crash (#49273)

2 files changed, 2 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index 8dc8868d..d3ec1878 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,6 @@
 - rpmdrake
   o fix encoding of diff output (#52994)
+  o fix for unreproductable crash (#49273)
 
 Version 5.18 - 1 October 2009, Thierry Vignaud
 
diff --git a/rpmdrake b/rpmdrake
index e74f24df..35af41e7 100755
--- a/rpmdrake
+++ b/rpmdrake
@@ -360,7 +360,7 @@ sub run_treeview_dialog {
         }
         $detail_list->window->freeze_updates;
         $options->{add_nodes}->(@{$elems{$group}});
-        $detail_list->window->thaw_updates;
+        $detail_list->window->thaw_updates if $detail_list->window;
     });
 
     $options->{state}{splited} = 1;