diff --git a/build_tools/gather_sources.py b/build_tools/gather_sources.py
index 509f1a4..a2b0ff2 100644
--- a/build_tools/gather_sources.py
+++ b/build_tools/gather_sources.py
@@ -55,7 +55,7 @@ def apply_license(license, relimit, filename):
 
 def apply_python_license(filename):
   license="""#+
-# This is CosmoTool (@FILENAME@) -- Copyright (C) Guilhem Lavaux (2007-2013)
+# This is CosmoTool (@FILENAME@) -- Copyright (C) Guilhem Lavaux (2007-2014)
 #
 # guilhem.lavaux@gmail.com
 #
@@ -97,7 +97,7 @@ def apply_python_license(filename):
 
 def apply_cpp_license(filename):
   license="""/*+
-This is CosmoTool (@FILENAME@) -- Copyright (C) Guilhem Lavaux (2007-2013)
+This is CosmoTool (@FILENAME@) -- Copyright (C) Guilhem Lavaux (2007-2014)
 
 guilhem.lavaux@gmail.com
 
@@ -137,7 +137,7 @@ knowledge of the CeCILL license and that you accept its terms.
   
 
 def analyze_tree(prefix, t):
-  for entry in t.items():
+  for entry in t:
     ename = entry.name
     if ename == 'external' or ename == 'zobov':
       continue