diff --git a/src/drivers/Unix/Fl_Unix_System_Driver.cxx b/src/drivers/Unix/Fl_Unix_System_Driver.cxx
index 9a5922d5d..66b46f4db 100644
--- a/src/drivers/Unix/Fl_Unix_System_Driver.cxx
+++ b/src/drivers/Unix/Fl_Unix_System_Driver.cxx
@@ -557,7 +557,7 @@ char *Fl_Unix_System_Driver::preference_user_rootnode(
 
   // 2: If this base path does not exist, try the 1.3 path
   if (::access(prefs_path_14.c_str(), F_OK) == -1) {
-    Fl_String prefs_path_13 = home_path + ".fltk/" + vendor;
+    Fl_String prefs_path_13 = home_path + "/.fltk/" + vendor;
     if (::access(prefs_path_13.c_str(), F_OK) == 0) {
       prefs_path_13.append('/');
       prefs_path_13.append(application);