Index: src/gui/qgsattributeeditor.cpp
===================================================================
--- src/gui/qgsattributeeditor.cpp	(revision 15745)
+++ src/gui/qgsattributeeditor.cpp	(working copy)
@@ -39,6 +39,7 @@
 #include <QCalendarWidget>
 #include <QDialogButtonBox>
 #include <QSettings>
+#include <QDir>
 
 void QgsAttributeEditor::selectFileName()
 {
@@ -58,7 +59,7 @@
   if ( fileName.isNull() )
     return;
 
-  le->setText( fileName );
+  le->setText( QDir::toNativeSeparators( fileName ) );
 }
 
 void QgsAttributeEditor::selectDate()