diff --git a/pym/cl_utils.py b/pym/cl_utils.py
index 5e50f65..90dd778 100644
--- a/pym/cl_utils.py
+++ b/pym/cl_utils.py
@@ -527,9 +527,10 @@ def pathJoin(*paths):
     if len(paths)==1:
         return paths[0]
     return os.path.join(paths[0],
-                        reduce(os.path.join,
-                                map(lambda x: x.startswith("/") and x[1:] or x,
-                                    paths[1:]),''))
+                reduce(os.path.join,
+                       filter(lambda x:x and x != "/",
+                              map(lambda x: x.startswith("/") and x[1:] or x,
+                                  paths[1:])),''))
 
 
 def getUserPassword(flag="dialog", pwDialog=False):