Index: applications/editors/josm/plugins/cadastre-fr/src/cadastre_fr/CadastrePlugin.java
===================================================================
--- applications/editors/josm/plugins/cadastre-fr/src/cadastre_fr/CadastrePlugin.java	(revision 20480)
+++ applications/editors/josm/plugins/cadastre-fr/src/cadastre_fr/CadastrePlugin.java	(revision 20481)
@@ -9,4 +9,5 @@
 import java.awt.event.ActionListener;
 import java.awt.event.KeyEvent;
+import java.io.File;
 
 import javax.swing.JCheckBoxMenuItem;
@@ -149,9 +150,9 @@
         System.out.println("Pluging cadastre-fr v"+VERSION+" started...");
         if (Main.pref.get("cadastrewms.cacheDir").equals(""))
-            cacheDir = Main.pref.getPreferencesDir()+"plugins/cadastrewms/";
+            cacheDir = Main.pref.getPreferencesDir()+"plugins"+File.pathSeparatorChar+"cadastrewms"+File.pathSeparatorChar;
         else {
             cacheDir = Main.pref.get("cadastrewms.cacheDir");
-            if (cacheDir.charAt(cacheDir.length()-1) != '\\' )
-                cacheDir += '\\';
+            if (cacheDir.charAt(cacheDir.length()-1) != File.pathSeparatorChar )
+                cacheDir += File.pathSeparatorChar;
         }
         System.out.println("current cache directory: "+cacheDir);