diff --git a/pym/cl_utils.py b/pym/cl_utils.py
index 23a4ae1..497d8a2 100644
--- a/pym/cl_utils.py
+++ b/pym/cl_utils.py
@@ -617,6 +617,13 @@ def isMount(path):
                          map(lambda x: [x[0], x[1]], map(lambda x: x.split(" "),
                              open(mtabFile)))),[""]))[0]
 
+def commonPath(*paths):
+    """Return common path from list of paths"""
+    paths = map(lambda x:os.path.abspath(x).split('/'),paths)
+    res = map(lambda x:x[0],
+        filter(lambda x:filter(lambda y:x[0]==y,x[1:]),zip(*paths)))
+    return "/".join(res)
+
 def childMounts(path):
     """Get all mount points which contain path"""
     if path != "none":
@@ -627,7 +634,8 @@ def childMounts(path):
     if not os.access(mtabFile,os.R_OK):
         return ""
     return reduce(lambda x,y: x + [y],
-                  filter(lambda x: absPath in x[0] or absPath in x[1],
+                  filter(lambda x: commonPath(absPath,x[0])==absPath or \
+                                   commonPath(absPath,x[1])==absPath,
                          map(lambda x: [x[0], x[1]],
                              map(lambda x: x.split(" "),
                                  open(mtabFile)))),