diff --git a/rtgui/editorpanel.cc b/rtgui/editorpanel.cc
index 1fb7e5a16..94c81e80c 100644
--- a/rtgui/editorpanel.cc
+++ b/rtgui/editorpanel.cc
@@ -325,6 +325,8 @@ void EditorPanel::open (Thumbnail* tmb, rtengine::InitialImage* isrc) {
     openThm = tmb;
     openThm->increaseRef ();
 
+    fname=openThm->getFileName();
+
     previewHandler = new PreviewHandler ();
 
     this->isrc = isrc;