Index: trunk/src/org/openstreetmap/josm/actions/OpenFileAction.java
===================================================================
--- trunk/src/org/openstreetmap/josm/actions/OpenFileAction.java	(revision 18237)
+++ trunk/src/org/openstreetmap/josm/actions/OpenFileAction.java	(revision 18238)
@@ -29,4 +29,5 @@
 import java.util.stream.Stream;
 
+import javax.swing.JFileChooser;
 import javax.swing.JOptionPane;
 import javax.swing.SwingUtilities;
@@ -78,5 +79,6 @@
     @Override
     public void actionPerformed(ActionEvent e) {
-        AbstractFileChooser fc = createAndOpenFileChooser(true, true, null);
+        AbstractFileChooser fc = createAndOpenFileChooser(true, true, null, null, JFileChooser.FILES_AND_DIRECTORIES,
+                true, null);
         if (fc == null)
             return;