diff --git a/kdl_parser_py/kdl_parser_py/urdf.py b/kdl_parser_py/kdl_parser_py/urdf.py
index ff2b3a2..1b68296 100644
--- a/kdl_parser_py/kdl_parser_py/urdf.py
+++ b/kdl_parser_py/kdl_parser_py/urdf.py
@@ -19,7 +19,7 @@ def treeFromParam(param):
     :param param: Parameter name, ``str``
     """
 
-    return treeFromUrdfModel(urdf.URDF.from_parameter_server())
+    return treeFromUrdfModel(urdf.URDF.from_parameter_server(param))
 
 def treeFromString(xml):
     """